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Finding the Fourth Proportional to 503,101.23, 754,651.85 and 344,849.91

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Solution

The fourth proportional to 503,101.23, 754,651.85 and 344,849.91 is: 517,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,101.23 : 754,651.85 = 344,849.91 : x
  2. Step 2: Convert to fraction form
    503,101.23/754,651.85 = 344,849.91/x
  3. Step 3: Cross multiply
    503,101.23x = 754,651.85 × 344,849.91
  4. Step 4: Simplify right side
    503,101.23x = 260,241,620,829.58
  5. Step 5: Solve for x
    x = 260,241,620,829.58/503,101.23
  6. Step 6: Final answer
    x = 517,274.87

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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.