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Finding the Fourth Proportional to 550,891.68, 826,046.79 and 171,741.72

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Solution

The fourth proportional to 550,891.68, 826,046.79 and 171,741.72 is: 257,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,891.68 : 826,046.79 = 171,741.72 : x
  2. Step 2: Convert to fraction form
    550,891.68/826,046.79 = 171,741.72/x
  3. Step 3: Cross multiply
    550,891.68x = 826,046.79 × 171,741.72
  4. Step 4: Simplify right side
    550,891.68x = 141,866,696,515.08
  5. Step 5: Solve for x
    x = 141,866,696,515.08/550,891.68
  6. Step 6: Final answer
    x = 257,521.94

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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.