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Finding the Fourth Proportional to 431,429.18, 595,374.24 and 250,248.38

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Solution

The fourth proportional to 431,429.18, 595,374.24 and 250,248.38 is: 345,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,429.18 : 595,374.24 = 250,248.38 : x
  2. Step 2: Convert to fraction form
    431,429.18/595,374.24 = 250,248.38/x
  3. Step 3: Cross multiply
    431,429.18x = 595,374.24 × 250,248.38
  4. Step 4: Simplify right side
    431,429.18x = 148,991,436,076.86
  5. Step 5: Solve for x
    x = 148,991,436,076.86/431,429.18
  6. Step 6: Final answer
    x = 345,343.91

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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.