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Finding the Fourth Proportional to 363,730.81, 501,964.05 and 202,585.90

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Solution

The fourth proportional to 363,730.81, 501,964.05 and 202,585.90 is: 279,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,730.81 : 501,964.05 = 202,585.90 : x
  2. Step 2: Convert to fraction form
    363,730.81/501,964.05 = 202,585.90/x
  3. Step 3: Cross multiply
    363,730.81x = 501,964.05 × 202,585.90
  4. Step 4: Simplify right side
    363,730.81x = 101,690,838,836.90
  5. Step 5: Solve for x
    x = 101,690,838,836.90/363,730.81
  6. Step 6: Final answer
    x = 279,577.19

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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.