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Finding the Fourth Proportional to 417,310.92, 575,836.26 and 247,511.88

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Solution

The fourth proportional to 417,310.92, 575,836.26 and 247,511.88 is: 341,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,310.92 : 575,836.26 = 247,511.88 : x
  2. Step 2: Convert to fraction form
    417,310.92/575,836.26 = 247,511.88/x
  3. Step 3: Cross multiply
    417,310.92x = 575,836.26 × 247,511.88
  4. Step 4: Simplify right side
    417,310.92x = 142,526,315,284.77
  5. Step 5: Solve for x
    x = 142,526,315,284.77/417,310.92
  6. Step 6: Final answer
    x = 341,535.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.