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Finding the Fourth Proportional to 951,560, 1,313,152.80 and 527,624

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Solution

The fourth proportional to 951,560, 1,313,152.80 and 527,624 is: 728,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,560 : 1,313,152.80 = 527,624 : x
  2. Step 2: Convert to fraction form
    951,560/1,313,152.80 = 527,624/x
  3. Step 3: Cross multiply
    951,560x = 1,313,152.80 × 527,624
  4. Step 4: Simplify right side
    951,560x = 692,850,932,947.20
  5. Step 5: Solve for x
    x = 692,850,932,947.20/951,560
  6. Step 6: Final answer
    x = 728,121.12

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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.