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Finding the Fourth Proportional to 468,640.40, 702,960.60 and 169,167.20

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Solution

The fourth proportional to 468,640.40, 702,960.60 and 169,167.20 is: 253,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,640.40 : 702,960.60 = 169,167.20 : x
  2. Step 2: Convert to fraction form
    468,640.40/702,960.60 = 169,167.20/x
  3. Step 3: Cross multiply
    468,640.40x = 702,960.60 × 169,167.20
  4. Step 4: Simplify right side
    468,640.40x = 118,917,876,412.32
  5. Step 5: Solve for x
    x = 118,917,876,412.32/468,640.40
  6. Step 6: Final answer
    x = 253,750.80

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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.