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Finding the Fourth Proportional to 418,349.30, 577,299.86 and 237,063.38

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Solution

The fourth proportional to 418,349.30, 577,299.86 and 237,063.38 is: 327,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,349.30 : 577,299.86 = 237,063.38 : x
  2. Step 2: Convert to fraction form
    418,349.30/577,299.86 = 237,063.38/x
  3. Step 3: Cross multiply
    418,349.30x = 577,299.86 × 237,063.38
  4. Step 4: Simplify right side
    418,349.30x = 136,856,656,085.13
  5. Step 5: Solve for x
    x = 136,856,656,085.13/418,349.30
  6. Step 6: Final answer
    x = 327,134.90

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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.