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Finding the Fourth Proportional to 610,688.52, 915,589.91 and 410,512.41

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Solution

The fourth proportional to 610,688.52, 915,589.91 and 410,512.41 is: 615,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,688.52 : 915,589.91 = 410,512.41 : x
  2. Step 2: Convert to fraction form
    610,688.52/915,589.91 = 410,512.41/x
  3. Step 3: Cross multiply
    610,688.52x = 915,589.91 × 410,512.41
  4. Step 4: Simplify right side
    610,688.52x = 375,861,018,473.22
  5. Step 5: Solve for x
    x = 375,861,018,473.22/610,688.52
  6. Step 6: Final answer
    x = 615,470.91

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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.