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Finding the Fourth Proportional to 435,176.40, 652,830.48 and 154,626.96

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Solution

The fourth proportional to 435,176.40, 652,830.48 and 154,626.96 is: 231,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,176.40 : 652,830.48 = 154,626.96 : x
  2. Step 2: Convert to fraction form
    435,176.40/652,830.48 = 154,626.96/x
  3. Step 3: Cross multiply
    435,176.40x = 652,830.48 × 154,626.96
  4. Step 4: Simplify right side
    435,176.40x = 100,945,192,517.74
  5. Step 5: Solve for x
    x = 100,945,192,517.74/435,176.40
  6. Step 6: Final answer
    x = 231,963.85

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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.