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Finding the Fourth Proportional to 585,103.07, 877,591.71 and 396,772.29

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Solution

The fourth proportional to 585,103.07, 877,591.71 and 396,772.29 is: 595,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,103.07 : 877,591.71 = 396,772.29 : x
  2. Step 2: Convert to fraction form
    585,103.07/877,591.71 = 396,772.29/x
  3. Step 3: Cross multiply
    585,103.07x = 877,591.71 × 396,772.29
  4. Step 4: Simplify right side
    585,103.07x = 348,204,072,461.72
  5. Step 5: Solve for x
    x = 348,204,072,461.72/585,103.07
  6. Step 6: Final answer
    x = 595,115.79

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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.