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Finding the Fourth Proportional to 517,757.38, 776,671.23 and 176,061.61

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Solution

The fourth proportional to 517,757.38, 776,671.23 and 176,061.61 is: 264,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,757.38 : 776,671.23 = 176,061.61 : x
  2. Step 2: Convert to fraction form
    517,757.38/776,671.23 = 176,061.61/x
  3. Step 3: Cross multiply
    517,757.38x = 776,671.23 × 176,061.61
  4. Step 4: Simplify right side
    517,757.38x = 136,741,987,194.48
  5. Step 5: Solve for x
    x = 136,741,987,194.48/517,757.38
  6. Step 6: Final answer
    x = 264,104.37

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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.