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Finding the Fourth Proportional to 649,726.92, 896,651.10 and 363,246.93

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Solution

The fourth proportional to 649,726.92, 896,651.10 and 363,246.93 is: 501,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,726.92 : 896,651.10 = 363,246.93 : x
  2. Step 2: Convert to fraction form
    649,726.92/896,651.10 = 363,246.93/x
  3. Step 3: Cross multiply
    649,726.92x = 896,651.10 × 363,246.93
  4. Step 4: Simplify right side
    649,726.92x = 325,705,759,356.12
  5. Step 5: Solve for x
    x = 325,705,759,356.12/649,726.92
  6. Step 6: Final answer
    x = 501,296.39

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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.