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Finding the Fourth Proportional to 435,154.75, 652,990.92 and 235,471.12

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Solution

The fourth proportional to 435,154.75, 652,990.92 and 235,471.12 is: 353,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,154.75 : 652,990.92 = 235,471.12 : x
  2. Step 2: Convert to fraction form
    435,154.75/652,990.92 = 235,471.12/x
  3. Step 3: Cross multiply
    435,154.75x = 652,990.92 × 235,471.12
  4. Step 4: Simplify right side
    435,154.75x = 153,760,500,766.74
  5. Step 5: Solve for x
    x = 153,760,500,766.74/435,154.75
  6. Step 6: Final answer
    x = 353,346.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.