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Finding the Fourth Proportional to 542,895.15, 814,660.25 and 227,325.63

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Solution

The fourth proportional to 542,895.15, 814,660.25 and 227,325.63 is: 341,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,895.15 : 814,660.25 = 227,325.63 : x
  2. Step 2: Convert to fraction form
    542,895.15/814,660.25 = 227,325.63/x
  3. Step 3: Cross multiply
    542,895.15x = 814,660.25 × 227,325.63
  4. Step 4: Simplify right side
    542,895.15x = 185,193,153,430.58
  5. Step 5: Solve for x
    x = 185,193,153,430.58/542,895.15
  6. Step 6: Final answer
    x = 341,121.40

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Double scale
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Similar ratio
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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.