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Finding the Fourth Proportional to 363,495.20, 501,612.14 and 202,346.71

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Solution

The fourth proportional to 363,495.20, 501,612.14 and 202,346.71 is: 279,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,495.20 : 501,612.14 = 202,346.71 : x
  2. Step 2: Convert to fraction form
    363,495.20/501,612.14 = 202,346.71/x
  3. Step 3: Cross multiply
    363,495.20x = 501,612.14 × 202,346.71
  4. Step 4: Simplify right side
    363,495.20x = 101,499,565,476.90
  5. Step 5: Solve for x
    x = 101,499,565,476.90/363,495.20
  6. Step 6: Final answer
    x = 279,232.21

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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.