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Finding the Fourth Proportional to 435,527.20, 652,981.92 and 169,063.12

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Solution

The fourth proportional to 435,527.20, 652,981.92 and 169,063.12 is: 253,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,527.20 : 652,981.92 = 169,063.12 : x
  2. Step 2: Convert to fraction form
    435,527.20/652,981.92 = 169,063.12/x
  3. Step 3: Cross multiply
    435,527.20x = 652,981.92 × 169,063.12
  4. Step 4: Simplify right side
    435,527.20x = 110,395,160,698.79
  5. Step 5: Solve for x
    x = 110,395,160,698.79/435,527.20
  6. Step 6: Final answer
    x = 253,474.78

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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.