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Finding the Fourth Proportional to 363,911.60, 502,191.33 and 202,763.18

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Solution

The fourth proportional to 363,911.60, 502,191.33 and 202,763.18 is: 279,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,911.60 : 502,191.33 = 202,763.18 : x
  2. Step 2: Convert to fraction form
    363,911.60/502,191.33 = 202,763.18/x
  3. Step 3: Cross multiply
    363,911.60x = 502,191.33 × 202,763.18
  4. Step 4: Simplify right side
    363,911.60x = 101,825,911,534.35
  5. Step 5: Solve for x
    x = 101,825,911,534.35/363,911.60
  6. Step 6: Final answer
    x = 279,809.47

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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.