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Finding the Fourth Proportional to 418,349.28, 577,299.88 and 237,063.40

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Solution

The fourth proportional to 418,349.28, 577,299.88 and 237,063.40 is: 327,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,349.28 : 577,299.88 = 237,063.40 : x
  2. Step 2: Convert to fraction form
    418,349.28/577,299.88 = 237,063.40/x
  3. Step 3: Cross multiply
    418,349.28x = 577,299.88 × 237,063.40
  4. Step 4: Simplify right side
    418,349.28x = 136,856,672,372.39
  5. Step 5: Solve for x
    x = 136,856,672,372.39/418,349.28
  6. Step 6: Final answer
    x = 327,134.95

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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.