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Finding the Fourth Proportional to 431,473.36, 595,301.28 and 250,149.11

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Solution

The fourth proportional to 431,473.36, 595,301.28 and 250,149.11 is: 345,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,473.36 : 595,301.28 = 250,149.11 : x
  2. Step 2: Convert to fraction form
    431,473.36/595,301.28 = 250,149.11/x
  3. Step 3: Cross multiply
    431,473.36x = 595,301.28 × 250,149.11
  4. Step 4: Simplify right side
    431,473.36x = 148,914,085,373.86
  5. Step 5: Solve for x
    x = 148,914,085,373.86/431,473.36
  6. Step 6: Final answer
    x = 345,129.27

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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.