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Finding the Fourth Proportional to 488,074.80, 732,112.20 and 464,746.80

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Solution

The fourth proportional to 488,074.80, 732,112.20 and 464,746.80 is: 697,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,074.80 : 732,112.20 = 464,746.80 : x
  2. Step 2: Convert to fraction form
    488,074.80/732,112.20 = 464,746.80/x
  3. Step 3: Cross multiply
    488,074.80x = 732,112.20 × 464,746.80
  4. Step 4: Simplify right side
    488,074.80x = 340,246,802,190.96
  5. Step 5: Solve for x
    x = 340,246,802,190.96/488,074.80
  6. Step 6: Final answer
    x = 697,120.20

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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.