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Finding the Fourth Proportional to 616,227.80, 924,471.30 and 349,770.20

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Solution

The fourth proportional to 616,227.80, 924,471.30 and 349,770.20 is: 524,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,227.80 : 924,471.30 = 349,770.20 : x
  2. Step 2: Convert to fraction form
    616,227.80/924,471.30 = 349,770.20/x
  3. Step 3: Cross multiply
    616,227.80x = 924,471.30 × 349,770.20
  4. Step 4: Simplify right side
    616,227.80x = 323,352,511,495.26
  5. Step 5: Solve for x
    x = 323,352,511,495.26/616,227.80
  6. Step 6: Final answer
    x = 524,728.86

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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.