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Finding the Fourth Proportional to 610,797.62, 915,753.45 and 410,621.42

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Solution

The fourth proportional to 610,797.62, 915,753.45 and 410,621.42 is: 615,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,797.62 : 915,753.45 = 410,621.42 : x
  2. Step 2: Convert to fraction form
    610,797.62/915,753.45 = 410,621.42/x
  3. Step 3: Cross multiply
    610,797.62x = 915,753.45 × 410,621.42
  4. Step 4: Simplify right side
    610,797.62x = 376,027,982,008.90
  5. Step 5: Solve for x
    x = 376,027,982,008.90/610,797.62
  6. Step 6: Final answer
    x = 615,634.33

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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.