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Finding the Fourth Proportional to 542,960.70, 814,441.05 and 227,384.70

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Solution

The fourth proportional to 542,960.70, 814,441.05 and 227,384.70 is: 341,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,960.70 : 814,441.05 = 227,384.70 : x
  2. Step 2: Convert to fraction form
    542,960.70/814,441.05 = 227,384.70/x
  3. Step 3: Cross multiply
    542,960.70x = 814,441.05 × 227,384.70
  4. Step 4: Simplify right side
    542,960.70x = 185,191,433,821.94
  5. Step 5: Solve for x
    x = 185,191,433,821.94/542,960.70
  6. Step 6: Final answer
    x = 341,077.05

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Half scale
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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.