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Finding the Fourth Proportional to 543,416.56, 814,862.67 and 227,788.72

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Solution

The fourth proportional to 543,416.56, 814,862.67 and 227,788.72 is: 341,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,416.56 : 814,862.67 = 227,788.72 : x
  2. Step 2: Convert to fraction form
    543,416.56/814,862.67 = 227,788.72/x
  3. Step 3: Cross multiply
    543,416.56x = 814,862.67 × 227,788.72
  4. Step 4: Simplify right side
    543,416.56x = 185,616,524,575.08
  5. Step 5: Solve for x
    x = 185,616,524,575.08/543,416.56
  6. Step 6: Final answer
    x = 341,573.18

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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.