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Finding the Fourth Proportional to 502,607.42, 753,966.26 and 218,102.41

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Solution

The fourth proportional to 502,607.42, 753,966.26 and 218,102.41 is: 327,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,607.42 : 753,966.26 = 218,102.41 : x
  2. Step 2: Convert to fraction form
    502,607.42/753,966.26 = 218,102.41/x
  3. Step 3: Cross multiply
    502,607.42x = 753,966.26 × 218,102.41
  4. Step 4: Simplify right side
    502,607.42x = 164,441,858,364.69
  5. Step 5: Solve for x
    x = 164,441,858,364.69/502,607.42
  6. Step 6: Final answer
    x = 327,177.54

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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.