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Finding the Fourth Proportional to 437,263.20, 655,894.80 and 250,143.48

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Solution

The fourth proportional to 437,263.20, 655,894.80 and 250,143.48 is: 375,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,263.20 : 655,894.80 = 250,143.48 : x
  2. Step 2: Convert to fraction form
    437,263.20/655,894.80 = 250,143.48/x
  3. Step 3: Cross multiply
    437,263.20x = 655,894.80 × 250,143.48
  4. Step 4: Simplify right side
    437,263.20x = 164,067,807,785.90
  5. Step 5: Solve for x
    x = 164,067,807,785.90/437,263.20
  6. Step 6: Final answer
    x = 375,215.22

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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.