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Finding the Fourth Proportional to 528,877.50, 792,791.37 and 247,891.74

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Solution

The fourth proportional to 528,877.50, 792,791.37 and 247,891.74 is: 371,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,877.50 : 792,791.37 = 247,891.74 : x
  2. Step 2: Convert to fraction form
    528,877.50/792,791.37 = 247,891.74/x
  3. Step 3: Cross multiply
    528,877.50x = 792,791.37 × 247,891.74
  4. Step 4: Simplify right side
    528,877.50x = 196,526,432,166.28
  5. Step 5: Solve for x
    x = 196,526,432,166.28/528,877.50
  6. Step 6: Final answer
    x = 371,591.59

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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.