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Finding the Fourth Proportional to 502,606.42, 753,964.76 and 218,101.41

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Solution

The fourth proportional to 502,606.42, 753,964.76 and 218,101.41 is: 327,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,606.42 : 753,964.76 = 218,101.41 : x
  2. Step 2: Convert to fraction form
    502,606.42/753,964.76 = 218,101.41/x
  3. Step 3: Cross multiply
    502,606.42x = 753,964.76 × 218,101.41
  4. Step 4: Simplify right side
    502,606.42x = 164,440,776,564.75
  5. Step 5: Solve for x
    x = 164,440,776,564.75/502,606.42
  6. Step 6: Final answer
    x = 327,176.04

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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.