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Finding the Fourth Proportional to 418,286.52, 577,257.52 and 237,033.60

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Solution

The fourth proportional to 418,286.52, 577,257.52 and 237,033.60 is: 327,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,286.52 : 577,257.52 = 237,033.60 : x
  2. Step 2: Convert to fraction form
    418,286.52/577,257.52 = 237,033.60/x
  3. Step 3: Cross multiply
    418,286.52x = 577,257.52 × 237,033.60
  4. Step 4: Simplify right side
    418,286.52x = 136,829,428,092.67
  5. Step 5: Solve for x
    x = 136,829,428,092.67/418,286.52
  6. Step 6: Final answer
    x = 327,118.90

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1.5x scale

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.