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Finding the Fourth Proportional to 431,946.56, 595,808.72 and 262,180.69

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Solution

The fourth proportional to 431,946.56, 595,808.72 and 262,180.69 is: 361,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,946.56 : 595,808.72 = 262,180.69 : x
  2. Step 2: Convert to fraction form
    431,946.56/595,808.72 = 262,180.69/x
  3. Step 3: Cross multiply
    431,946.56x = 595,808.72 × 262,180.69
  4. Step 4: Simplify right side
    431,946.56x = 156,209,541,317.62
  5. Step 5: Solve for x
    x = 156,209,541,317.62/431,946.56
  6. Step 6: Final answer
    x = 361,640.90

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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.