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Finding the Fourth Proportional to 609,248.88, 914,019.12 and 188,524.80

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Solution

The fourth proportional to 609,248.88, 914,019.12 and 188,524.80 is: 282,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,248.88 : 914,019.12 = 188,524.80 : x
  2. Step 2: Convert to fraction form
    609,248.88/914,019.12 = 188,524.80/x
  3. Step 3: Cross multiply
    609,248.88x = 914,019.12 × 188,524.80
  4. Step 4: Simplify right side
    609,248.88x = 172,315,271,794.18
  5. Step 5: Solve for x
    x = 172,315,271,794.18/609,248.88
  6. Step 6: Final answer
    x = 282,832.32

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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.