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Finding the Fourth Proportional to 431,868.72, 595,964.76 and 235,627.92

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Solution

The fourth proportional to 431,868.72, 595,964.76 and 235,627.92 is: 325,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,868.72 : 595,964.76 = 235,627.92 : x
  2. Step 2: Convert to fraction form
    431,868.72/595,964.76 = 235,627.92/x
  3. Step 3: Cross multiply
    431,868.72x = 595,964.76 × 235,627.92
  4. Step 4: Simplify right side
    431,868.72x = 140,425,936,792.10
  5. Step 5: Solve for x
    x = 140,425,936,792.10/431,868.72
  6. Step 6: Final answer
    x = 325,158.85

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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.