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Finding the Fourth Proportional to 318,874.08, 440,046.24 and 175,633.92

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Solution

The fourth proportional to 318,874.08, 440,046.24 and 175,633.92 is: 242,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,874.08 : 440,046.24 = 175,633.92 : x
  2. Step 2: Convert to fraction form
    318,874.08/440,046.24 = 175,633.92/x
  3. Step 3: Cross multiply
    318,874.08x = 440,046.24 × 175,633.92
  4. Step 4: Simplify right side
    318,874.08x = 77,287,046,112.46
  5. Step 5: Solve for x
    x = 77,287,046,112.46/318,874.08
  6. Step 6: Final answer
    x = 242,374.81

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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.