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Finding the Fourth Proportional to 257,793.31, 355,797.52 and 150,363.34

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Solution

The fourth proportional to 257,793.31, 355,797.52 and 150,363.34 is: 207,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,793.31 : 355,797.52 = 150,363.34 : x
  2. Step 2: Convert to fraction form
    257,793.31/355,797.52 = 150,363.34/x
  3. Step 3: Cross multiply
    257,793.31x = 355,797.52 × 150,363.34
  4. Step 4: Simplify right side
    257,793.31x = 53,498,903,470.92
  5. Step 5: Solve for x
    x = 53,498,903,470.92/257,793.31
  6. Step 6: Final answer
    x = 207,526.35

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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.