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Finding the Fourth Proportional to 426,561, 588,654.18 and 247,724.52

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Solution

The fourth proportional to 426,561, 588,654.18 and 247,724.52 is: 341,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,561 : 588,654.18 = 247,724.52 : x
  2. Step 2: Convert to fraction form
    426,561/588,654.18 = 247,724.52/x
  3. Step 3: Cross multiply
    426,561x = 588,654.18 × 247,724.52
  4. Step 4: Simplify right side
    426,561x = 145,824,074,186.49
  5. Step 5: Solve for x
    x = 145,824,074,186.49/426,561
  6. Step 6: Final answer
    x = 341,859.84

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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.