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Finding the Fourth Proportional to 466,836.80, 699,333.60 and 279,291.20

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Solution

The fourth proportional to 466,836.80, 699,333.60 and 279,291.20 is: 418,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,836.80 : 699,333.60 = 279,291.20 : x
  2. Step 2: Convert to fraction form
    466,836.80/699,333.60 = 279,291.20/x
  3. Step 3: Cross multiply
    466,836.80x = 699,333.60 × 279,291.20
  4. Step 4: Simplify right side
    466,836.80x = 195,317,720,344.32
  5. Step 5: Solve for x
    x = 195,317,720,344.32/466,836.80
  6. Step 6: Final answer
    x = 418,385.44

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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.