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Finding the Fourth Proportional to 695,472.56, 959,705.52 and 385,354.34

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Solution

The fourth proportional to 695,472.56, 959,705.52 and 385,354.34 is: 531,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,472.56 : 959,705.52 = 385,354.34 : x
  2. Step 2: Convert to fraction form
    695,472.56/959,705.52 = 385,354.34/x
  3. Step 3: Cross multiply
    695,472.56x = 959,705.52 × 385,354.34
  4. Step 4: Simplify right side
    695,472.56x = 369,826,687,253.96
  5. Step 5: Solve for x
    x = 369,826,687,253.96/695,472.56
  6. Step 6: Final answer
    x = 531,763.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.