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Finding the Fourth Proportional to 408,375.27, 563,475.29 and 238,576.59

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Solution

The fourth proportional to 408,375.27, 563,475.29 and 238,576.59 is: 329,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,375.27 : 563,475.29 = 238,576.59 : x
  2. Step 2: Convert to fraction form
    408,375.27/563,475.29 = 238,576.59/x
  3. Step 3: Cross multiply
    408,375.27x = 563,475.29 × 238,576.59
  4. Step 4: Simplify right side
    408,375.27x = 134,432,012,044.58
  5. Step 5: Solve for x
    x = 134,432,012,044.58/408,375.27
  6. Step 6: Final answer
    x = 329,187.45

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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.