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Finding the Fourth Proportional to 435,046.75, 652,494.88 and 115,203.22

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Solution

The fourth proportional to 435,046.75, 652,494.88 and 115,203.22 is: 172,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,046.75 : 652,494.88 = 115,203.22 : x
  2. Step 2: Convert to fraction form
    435,046.75/652,494.88 = 115,203.22/x
  3. Step 3: Cross multiply
    435,046.75x = 652,494.88 × 115,203.22
  4. Step 4: Simplify right side
    435,046.75x = 75,169,511,209.51
  5. Step 5: Solve for x
    x = 75,169,511,209.51/435,046.75
  6. Step 6: Final answer
    x = 172,784.90

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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.