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Finding the Fourth Proportional to 500,087.45, 749,373.45 and 331,002.02

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Solution

The fourth proportional to 500,087.45, 749,373.45 and 331,002.02 is: 496,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,087.45 : 749,373.45 = 331,002.02 : x
  2. Step 2: Convert to fraction form
    500,087.45/749,373.45 = 331,002.02/x
  3. Step 3: Cross multiply
    500,087.45x = 749,373.45 × 331,002.02
  4. Step 4: Simplify right side
    500,087.45x = 248,044,127,557.80
  5. Step 5: Solve for x
    x = 248,044,127,557.80/500,087.45
  6. Step 6: Final answer
    x = 496,001.51

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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.