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Finding the Fourth Proportional to 435,367.66, 652,800.08 and 168,816.78

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Solution

The fourth proportional to 435,367.66, 652,800.08 and 168,816.78 is: 253,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,367.66 : 652,800.08 = 168,816.78 : x
  2. Step 2: Convert to fraction form
    435,367.66/652,800.08 = 168,816.78/x
  3. Step 3: Cross multiply
    435,367.66x = 652,800.08 × 168,816.78
  4. Step 4: Simplify right side
    435,367.66x = 110,203,607,489.34
  5. Step 5: Solve for x
    x = 110,203,607,489.34/435,367.66
  6. Step 6: Final answer
    x = 253,127.68

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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.