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Finding the Fourth Proportional to 609,454.47, 914,422.28 and 188,763.15

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Solution

The fourth proportional to 609,454.47, 914,422.28 and 188,763.15 is: 283,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,454.47 : 914,422.28 = 188,763.15 : x
  2. Step 2: Convert to fraction form
    609,454.47/914,422.28 = 188,763.15/x
  3. Step 3: Cross multiply
    609,454.47x = 914,422.28 × 188,763.15
  4. Step 4: Simplify right side
    609,454.47x = 172,609,229,059.17
  5. Step 5: Solve for x
    x = 172,609,229,059.17/609,454.47
  6. Step 6: Final answer
    x = 283,219.24

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1.5x scale

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.