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Finding the Fourth Proportional to 649,657.56, 896,386.59 and 363,167.85

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Solution

The fourth proportional to 649,657.56, 896,386.59 and 363,167.85 is: 501,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,657.56 : 896,386.59 = 363,167.85 : x
  2. Step 2: Convert to fraction form
    649,657.56/896,386.59 = 363,167.85/x
  3. Step 3: Cross multiply
    649,657.56x = 896,386.59 × 363,167.85
  4. Step 4: Simplify right side
    649,657.56x = 325,538,790,659.13
  5. Step 5: Solve for x
    x = 325,538,790,659.13/649,657.56
  6. Step 6: Final answer
    x = 501,092.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.