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Finding the Fourth Proportional to 574,396.61, 861,594.50 and 258,484.46

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Solution

The fourth proportional to 574,396.61, 861,594.50 and 258,484.46 is: 387,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,396.61 : 861,594.50 = 258,484.46 : x
  2. Step 2: Convert to fraction form
    574,396.61/861,594.50 = 258,484.46/x
  3. Step 3: Cross multiply
    574,396.61x = 861,594.50 × 258,484.46
  4. Step 4: Simplify right side
    574,396.61x = 222,708,783,471.08
  5. Step 5: Solve for x
    x = 222,708,783,471.08/574,396.61
  6. Step 6: Final answer
    x = 387,726.50

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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.