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Finding the Fourth Proportional to 433,517.40, 650,276.10 and 344,287.80

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Solution

The fourth proportional to 433,517.40, 650,276.10 and 344,287.80 is: 516,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,517.40 : 650,276.10 = 344,287.80 : x
  2. Step 2: Convert to fraction form
    433,517.40/650,276.10 = 344,287.80/x
  3. Step 3: Cross multiply
    433,517.40x = 650,276.10 × 344,287.80
  4. Step 4: Simplify right side
    433,517.40x = 223,882,127,861.58
  5. Step 5: Solve for x
    x = 223,882,127,861.58/433,517.40
  6. Step 6: Final answer
    x = 516,431.70

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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.