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Finding the Fourth Proportional to 649,587.88, 896,428.50 and 363,107.56

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Solution

The fourth proportional to 649,587.88, 896,428.50 and 363,107.56 is: 501,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,587.88 : 896,428.50 = 363,107.56 : x
  2. Step 2: Convert to fraction form
    649,587.88/896,428.50 = 363,107.56/x
  3. Step 3: Cross multiply
    649,587.88x = 896,428.50 × 363,107.56
  4. Step 4: Simplify right side
    649,587.88x = 325,499,965,349.46
  5. Step 5: Solve for x
    x = 325,499,965,349.46/649,587.88
  6. Step 6: Final answer
    x = 501,086.88

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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.