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Finding the Fourth Proportional to 256,552.88, 354,141.96 and 229,647.92

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Solution

The fourth proportional to 256,552.88, 354,141.96 and 229,647.92 is: 317,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,552.88 : 354,141.96 = 229,647.92 : x
  2. Step 2: Convert to fraction form
    256,552.88/354,141.96 = 229,647.92/x
  3. Step 3: Cross multiply
    256,552.88x = 354,141.96 × 229,647.92
  4. Step 4: Simplify right side
    256,552.88x = 81,327,964,498.72
  5. Step 5: Solve for x
    x = 81,327,964,498.72/256,552.88
  6. Step 6: Final answer
    x = 317,002.73

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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.