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Finding the Fourth Proportional to 488,599.80, 732,899.70 and 370,501.80

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Solution

The fourth proportional to 488,599.80, 732,899.70 and 370,501.80 is: 555,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,599.80 : 732,899.70 = 370,501.80 : x
  2. Step 2: Convert to fraction form
    488,599.80/732,899.70 = 370,501.80/x
  3. Step 3: Cross multiply
    488,599.80x = 732,899.70 × 370,501.80
  4. Step 4: Simplify right side
    488,599.80x = 271,540,658,069.46
  5. Step 5: Solve for x
    x = 271,540,658,069.46/488,599.80
  6. Step 6: Final answer
    x = 555,752.70

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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.