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Finding the Fourth Proportional to 431,876.56, 595,990.56 and 240,885.04

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Solution

The fourth proportional to 431,876.56, 595,990.56 and 240,885.04 is: 332,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,876.56 : 595,990.56 = 240,885.04 : x
  2. Step 2: Convert to fraction form
    431,876.56/595,990.56 = 240,885.04/x
  3. Step 3: Cross multiply
    431,876.56x = 595,990.56 × 240,885.04
  4. Step 4: Simplify right side
    431,876.56x = 143,565,209,885.22
  5. Step 5: Solve for x
    x = 143,565,209,885.22/431,876.56
  6. Step 6: Final answer
    x = 332,421.86

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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.