Home / 361,264.20-541,896.30-256,288.20

Finding the Fourth Proportional to 361,264.20, 541,896.30 and 256,288.20

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Solution

The fourth proportional to 361,264.20, 541,896.30 and 256,288.20 is: 384,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,264.20 : 541,896.30 = 256,288.20 : x
  2. Step 2: Convert to fraction form
    361,264.20/541,896.30 = 256,288.20/x
  3. Step 3: Cross multiply
    361,264.20x = 541,896.30 × 256,288.20
  4. Step 4: Simplify right side
    361,264.20x = 138,881,627,313.66
  5. Step 5: Solve for x
    x = 138,881,627,313.66/361,264.20
  6. Step 6: Final answer
    x = 384,432.30

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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.