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Finding the Fourth Proportional to 468,613.20, 702,928.42 and 169,116.24

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Solution

The fourth proportional to 468,613.20, 702,928.42 and 169,116.24 is: 253,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,613.20 : 702,928.42 = 169,116.24 : x
  2. Step 2: Convert to fraction form
    468,613.20/702,928.42 = 169,116.24/x
  3. Step 3: Cross multiply
    468,613.20x = 702,928.42 × 169,116.24
  4. Step 4: Simplify right side
    468,613.20x = 118,876,611,379.54
  5. Step 5: Solve for x
    x = 118,876,611,379.54/468,613.20
  6. Step 6: Final answer
    x = 253,677.47

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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.