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Finding the Fourth Proportional to 352,354.66, 527,909.19 and 186,259.30

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Solution

The fourth proportional to 352,354.66, 527,909.19 and 186,259.30 is: 279,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,354.66 : 527,909.19 = 186,259.30 : x
  2. Step 2: Convert to fraction form
    352,354.66/527,909.19 = 186,259.30/x
  3. Step 3: Cross multiply
    352,354.66x = 527,909.19 × 186,259.30
  4. Step 4: Simplify right side
    352,354.66x = 98,327,996,192.97
  5. Step 5: Solve for x
    x = 98,327,996,192.97/352,354.66
  6. Step 6: Final answer
    x = 279,059.73

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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.