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Finding the Fourth Proportional to 3,936,753.14, 5,905,129.79 and 944,937.14

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Solution

The fourth proportional to 3,936,753.14, 5,905,129.79 and 944,937.14 is: 1,417,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,753.14 : 5,905,129.79 = 944,937.14 : x
  2. Step 2: Convert to fraction form
    3,936,753.14/5,905,129.79 = 944,937.14/x
  3. Step 3: Cross multiply
    3,936,753.14x = 5,905,129.79 × 944,937.14
  4. Step 4: Simplify right side
    3,936,753.14x = 5,579,976,455,829.18
  5. Step 5: Solve for x
    x = 5,579,976,455,829.18/3,936,753.14
  6. Step 6: Final answer
    x = 1,417,405.73

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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.