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Finding the Fourth Proportional to 794,470.68, 1,191,331.44 and 288,675

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Solution

The fourth proportional to 794,470.68, 1,191,331.44 and 288,675 is: 432,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,470.68 : 1,191,331.44 = 288,675 : x
  2. Step 2: Convert to fraction form
    794,470.68/1,191,331.44 = 288,675/x
  3. Step 3: Cross multiply
    794,470.68x = 1,191,331.44 × 288,675
  4. Step 4: Simplify right side
    794,470.68x = 343,907,603,442
  5. Step 5: Solve for x
    x = 343,907,603,442/794,470.68
  6. Step 6: Final answer
    x = 432,876.39

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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.