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Finding the Fourth Proportional to 703,948.38, 972,250.62 and 477,200.22

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Solution

The fourth proportional to 703,948.38, 972,250.62 and 477,200.22 is: 659,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,948.38 : 972,250.62 = 477,200.22 : x
  2. Step 2: Convert to fraction form
    703,948.38/972,250.62 = 477,200.22/x
  3. Step 3: Cross multiply
    703,948.38x = 972,250.62 × 477,200.22
  4. Step 4: Simplify right side
    703,948.38x = 463,958,209,759.14
  5. Step 5: Solve for x
    x = 463,958,209,759.14/703,948.38
  6. Step 6: Final answer
    x = 659,079.87

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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.