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Finding the Fourth Proportional to 482,887.90, 724,331.85 and 304,428.70

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Solution

The fourth proportional to 482,887.90, 724,331.85 and 304,428.70 is: 456,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,887.90 : 724,331.85 = 304,428.70 : x
  2. Step 2: Convert to fraction form
    482,887.90/724,331.85 = 304,428.70/x
  3. Step 3: Cross multiply
    482,887.90x = 724,331.85 × 304,428.70
  4. Step 4: Simplify right side
    482,887.90x = 220,507,403,464.10
  5. Step 5: Solve for x
    x = 220,507,403,464.10/482,887.90
  6. Step 6: Final answer
    x = 456,643.05

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Similar ratio
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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.