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Finding the Fourth Proportional to 617,480,560.80, 926,220,841.20 and 253,854,064.80

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Solution

The fourth proportional to 617,480,560.80, 926,220,841.20 and 253,854,064.80 is: 380,781,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,480,560.80 : 926,220,841.20 = 253,854,064.80 : x
  2. Step 2: Convert to fraction form
    617,480,560.80/926,220,841.20 = 253,854,064.80/x
  3. Step 3: Cross multiply
    617,480,560.80x = 926,220,841.20 × 253,854,064.80
  4. Step 4: Simplify right side
    617,480,560.80x = 235,124,925,441,095,328
  5. Step 5: Solve for x
    x = 235,124,925,441,095,328/617,480,560.80
  6. Step 6: Final answer
    x = 380,781,097.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.