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Finding the Fourth Proportional to 466,780.80, 699,249.60 and 279,235.20

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Solution

The fourth proportional to 466,780.80, 699,249.60 and 279,235.20 is: 418,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,780.80 : 699,249.60 = 279,235.20 : x
  2. Step 2: Convert to fraction form
    466,780.80/699,249.60 = 279,235.20/x
  3. Step 3: Cross multiply
    466,780.80x = 699,249.60 × 279,235.20
  4. Step 4: Simplify right side
    466,780.80x = 195,255,101,905.92
  5. Step 5: Solve for x
    x = 195,255,101,905.92/466,780.80
  6. Step 6: Final answer
    x = 418,301.49

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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.