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Finding the Fourth Proportional to 541,535.61, 812,378.75 and 225,919.92

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Solution

The fourth proportional to 541,535.61, 812,378.75 and 225,919.92 is: 338,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,535.61 : 812,378.75 = 225,919.92 : x
  2. Step 2: Convert to fraction form
    541,535.61/812,378.75 = 225,919.92/x
  3. Step 3: Cross multiply
    541,535.61x = 812,378.75 × 225,919.92
  4. Step 4: Simplify right side
    541,535.61x = 183,532,542,209.70
  5. Step 5: Solve for x
    x = 183,532,542,209.70/541,535.61
  6. Step 6: Final answer
    x = 338,911.31

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1.5x scale

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.