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Finding the Fourth Proportional to 372,286.53, 558,710.46 and 272,701.89

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Solution

The fourth proportional to 372,286.53, 558,710.46 and 272,701.89 is: 409,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,286.53 : 558,710.46 = 272,701.89 : x
  2. Step 2: Convert to fraction form
    372,286.53/558,710.46 = 272,701.89/x
  3. Step 3: Cross multiply
    372,286.53x = 558,710.46 × 272,701.89
  4. Step 4: Simplify right side
    372,286.53x = 152,361,398,404.77
  5. Step 5: Solve for x
    x = 152,361,398,404.77/372,286.53
  6. Step 6: Final answer
    x = 409,258.42

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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.