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Finding the Fourth Proportional to 703,949.13, 972,251.64 and 477,200.97

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Solution

The fourth proportional to 703,949.13, 972,251.64 and 477,200.97 is: 659,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,949.13 : 972,251.64 = 477,200.97 : x
  2. Step 2: Convert to fraction form
    703,949.13/972,251.64 = 477,200.97/x
  3. Step 3: Cross multiply
    703,949.13x = 972,251.64 × 477,200.97
  4. Step 4: Simplify right side
    703,949.13x = 463,959,425,692.09
  5. Step 5: Solve for x
    x = 463,959,425,692.09/703,949.13
  6. Step 6: Final answer
    x = 659,080.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.