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Finding the Fourth Proportional to 503,100.86, 754,651.28 and 344,849.54

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Solution

The fourth proportional to 503,100.86, 754,651.28 and 344,849.54 is: 517,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,100.86 : 754,651.28 = 344,849.54 : x
  2. Step 2: Convert to fraction form
    503,100.86/754,651.28 = 344,849.54/x
  3. Step 3: Cross multiply
    503,100.86x = 754,651.28 × 344,849.54
  4. Step 4: Simplify right side
    503,100.86x = 260,241,143,857.28
  5. Step 5: Solve for x
    x = 260,241,143,857.28/503,100.86
  6. Step 6: Final answer
    x = 517,274.30

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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.