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Finding the Fourth Proportional to 468,640.90, 702,961.35 and 169,167.70

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Solution

The fourth proportional to 468,640.90, 702,961.35 and 169,167.70 is: 253,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,640.90 : 702,961.35 = 169,167.70 : x
  2. Step 2: Convert to fraction form
    468,640.90/702,961.35 = 169,167.70/x
  3. Step 3: Cross multiply
    468,640.90x = 702,961.35 × 169,167.70
  4. Step 4: Simplify right side
    468,640.90x = 118,918,354,768.40
  5. Step 5: Solve for x
    x = 118,918,354,768.40/468,640.90
  6. Step 6: Final answer
    x = 253,751.55

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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.