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Finding the Fourth Proportional to 435,205.20, 652,676.48 and 168,906.32

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Solution

The fourth proportional to 435,205.20, 652,676.48 and 168,906.32 is: 253,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,205.20 : 652,676.48 = 168,906.32 : x
  2. Step 2: Convert to fraction form
    435,205.20/652,676.48 = 168,906.32/x
  3. Step 3: Cross multiply
    435,205.20x = 652,676.48 × 168,906.32
  4. Step 4: Simplify right side
    435,205.20x = 110,241,182,387.35
  5. Step 5: Solve for x
    x = 110,241,182,387.35/435,205.20
  6. Step 6: Final answer
    x = 253,308.51

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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.