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Finding the Fourth Proportional to 363,628.64, 501,808.08 and 202,514.72

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Solution

The fourth proportional to 363,628.64, 501,808.08 and 202,514.72 is: 279,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,628.64 : 501,808.08 = 202,514.72 : x
  2. Step 2: Convert to fraction form
    363,628.64/501,808.08 = 202,514.72/x
  3. Step 3: Cross multiply
    363,628.64x = 501,808.08 × 202,514.72
  4. Step 4: Simplify right side
    363,628.64x = 101,623,522,814.94
  5. Step 5: Solve for x
    x = 101,623,522,814.94/363,628.64
  6. Step 6: Final answer
    x = 279,470.62

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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.