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Finding the Fourth Proportional to 502,727.28, 753,665.82 and 218,203.98

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Solution

The fourth proportional to 502,727.28, 753,665.82 and 218,203.98 is: 327,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,727.28 : 753,665.82 = 218,203.98 : x
  2. Step 2: Convert to fraction form
    502,727.28/753,665.82 = 218,203.98/x
  3. Step 3: Cross multiply
    502,727.28x = 753,665.82 × 218,203.98
  4. Step 4: Simplify right side
    502,727.28x = 164,452,877,869.45
  5. Step 5: Solve for x
    x = 164,452,877,869.45/502,727.28
  6. Step 6: Final answer
    x = 327,121.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.