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Finding the Fourth Proportional to 3,944,307.88, 5,916,448.86 and 952,491.88

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Solution

The fourth proportional to 3,944,307.88, 5,916,448.86 and 952,491.88 is: 1,428,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944,307.88 : 5,916,448.86 = 952,491.88 : x
  2. Step 2: Convert to fraction form
    3,944,307.88/5,916,448.86 = 952,491.88/x
  3. Step 3: Cross multiply
    3,944,307.88x = 5,916,448.86 × 952,491.88
  4. Step 4: Simplify right side
    3,944,307.88x = 5,635,369,497,585.26
  5. Step 5: Solve for x
    x = 5,635,369,497,585.26/3,944,307.88
  6. Step 6: Final answer
    x = 1,428,734.69

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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.