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Finding the Fourth Proportional to 610,689.46, 915,591.30 and 410,513.34

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Solution

The fourth proportional to 610,689.46, 915,591.30 and 410,513.34 is: 615,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,689.46 : 915,591.30 = 410,513.34 : x
  2. Step 2: Convert to fraction form
    610,689.46/915,591.30 = 410,513.34/x
  3. Step 3: Cross multiply
    610,689.46x = 915,591.30 × 410,513.34
  4. Step 4: Simplify right side
    610,689.46x = 375,862,442,637.94
  5. Step 5: Solve for x
    x = 375,862,442,637.94/610,689.46
  6. Step 6: Final answer
    x = 615,472.29

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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.