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Finding the Fourth Proportional to 435,176.62, 652,458.75 and 168,712.54

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Solution

The fourth proportional to 435,176.62, 652,458.75 and 168,712.54 is: 252,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,176.62 : 652,458.75 = 168,712.54 : x
  2. Step 2: Convert to fraction form
    435,176.62/652,458.75 = 168,712.54/x
  3. Step 3: Cross multiply
    435,176.62x = 652,458.75 × 168,712.54
  4. Step 4: Simplify right side
    435,176.62x = 110,077,972,957.73
  5. Step 5: Solve for x
    x = 110,077,972,957.73/435,176.62
  6. Step 6: Final answer
    x = 252,950.11

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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.