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Finding the Fourth Proportional to 444,343.20, 666,514.80 and 284,910.90

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Solution

The fourth proportional to 444,343.20, 666,514.80 and 284,910.90 is: 427,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,343.20 : 666,514.80 = 284,910.90 : x
  2. Step 2: Convert to fraction form
    444,343.20/666,514.80 = 284,910.90/x
  3. Step 3: Cross multiply
    444,343.20x = 666,514.80 × 284,910.90
  4. Step 4: Simplify right side
    444,343.20x = 189,897,331,531.32
  5. Step 5: Solve for x
    x = 189,897,331,531.32/444,343.20
  6. Step 6: Final answer
    x = 427,366.35

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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.