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Finding the Fourth Proportional to 625,670.72, 862,966.98 and 410,732.36

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Solution

The fourth proportional to 625,670.72, 862,966.98 and 410,732.36 is: 566,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,670.72 : 862,966.98 = 410,732.36 : x
  2. Step 2: Convert to fraction form
    625,670.72/862,966.98 = 410,732.36/x
  3. Step 3: Cross multiply
    625,670.72x = 862,966.98 × 410,732.36
  4. Step 4: Simplify right side
    625,670.72x = 354,448,464,297.47
  5. Step 5: Solve for x
    x = 354,448,464,297.47/625,670.72
  6. Step 6: Final answer
    x = 566,509.59

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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.