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Finding the Fourth Proportional to 543,417.06, 814,863.42 and 227,789.22

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Solution

The fourth proportional to 543,417.06, 814,863.42 and 227,789.22 is: 341,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,417.06 : 814,863.42 = 227,789.22 : x
  2. Step 2: Convert to fraction form
    543,417.06/814,863.42 = 227,789.22/x
  3. Step 3: Cross multiply
    543,417.06x = 814,863.42 × 227,789.22
  4. Step 4: Simplify right side
    543,417.06x = 185,617,102,848.33
  5. Step 5: Solve for x
    x = 185,617,102,848.33/543,417.06
  6. Step 6: Final answer
    x = 341,573.93

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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.