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Finding the Fourth Proportional to 704,521.57, 972,231.03 and 382,229.31

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Solution

The fourth proportional to 704,521.57, 972,231.03 and 382,229.31 is: 527,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,521.57 : 972,231.03 = 382,229.31 : x
  2. Step 2: Convert to fraction form
    704,521.57/972,231.03 = 382,229.31/x
  3. Step 3: Cross multiply
    704,521.57x = 972,231.03 × 382,229.31
  4. Step 4: Simplify right side
    704,521.57x = 371,615,190,125.14
  5. Step 5: Solve for x
    x = 371,615,190,125.14/704,521.57
  6. Step 6: Final answer
    x = 527,471.70

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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.