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Finding the Fourth Proportional to 418,874.12, 577,948.02 and 237,546.44

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Solution

The fourth proportional to 418,874.12, 577,948.02 and 237,546.44 is: 327,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,874.12 : 577,948.02 = 237,546.44 : x
  2. Step 2: Convert to fraction form
    418,874.12/577,948.02 = 237,546.44/x
  3. Step 3: Cross multiply
    418,874.12x = 577,948.02 × 237,546.44
  4. Step 4: Simplify right side
    418,874.12x = 137,289,494,656.05
  5. Step 5: Solve for x
    x = 137,289,494,656.05/418,874.12
  6. Step 6: Final answer
    x = 327,758.36

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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.