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Finding the Fourth Proportional to 502,987.11, 754,469.73 and 236,599.98

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Solution

The fourth proportional to 502,987.11, 754,469.73 and 236,599.98 is: 354,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,987.11 : 754,469.73 = 236,599.98 : x
  2. Step 2: Convert to fraction form
    502,987.11/754,469.73 = 236,599.98/x
  3. Step 3: Cross multiply
    502,987.11x = 754,469.73 × 236,599.98
  4. Step 4: Simplify right side
    502,987.11x = 178,507,523,028.61
  5. Step 5: Solve for x
    x = 178,507,523,028.61/502,987.11
  6. Step 6: Final answer
    x = 354,894.83

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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.