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Finding the Fourth Proportional to 435,372.60, 652,807.47 and 168,821.73

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Solution

The fourth proportional to 435,372.60, 652,807.47 and 168,821.73 is: 253,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,372.60 : 652,807.47 = 168,821.73 : x
  2. Step 2: Convert to fraction form
    435,372.60/652,807.47 = 168,821.73/x
  3. Step 3: Cross multiply
    435,372.60x = 652,807.47 × 168,821.73
  4. Step 4: Simplify right side
    435,372.60x = 110,208,086,442.32
  5. Step 5: Solve for x
    x = 110,208,086,442.32/435,372.60
  6. Step 6: Final answer
    x = 253,135.10

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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.