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Finding the Fourth Proportional to 363,787.56, 502,026.52 and 210,914.50

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Solution

The fourth proportional to 363,787.56, 502,026.52 and 210,914.50 is: 291,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,787.56 : 502,026.52 = 210,914.50 : x
  2. Step 2: Convert to fraction form
    363,787.56/502,026.52 = 210,914.50/x
  3. Step 3: Cross multiply
    363,787.56x = 502,026.52 × 210,914.50
  4. Step 4: Simplify right side
    363,787.56x = 105,884,672,452.54
  5. Step 5: Solve for x
    x = 105,884,672,452.54/363,787.56
  6. Step 6: Final answer
    x = 291,061.83

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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.