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Finding the Fourth Proportional to 542,562.60, 813,843.90 and 277,141.80

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Solution

The fourth proportional to 542,562.60, 813,843.90 and 277,141.80 is: 415,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,562.60 : 813,843.90 = 277,141.80 : x
  2. Step 2: Convert to fraction form
    542,562.60/813,843.90 = 277,141.80/x
  3. Step 3: Cross multiply
    542,562.60x = 813,843.90 × 277,141.80
  4. Step 4: Simplify right side
    542,562.60x = 225,550,163,365.02
  5. Step 5: Solve for x
    x = 225,550,163,365.02/542,562.60
  6. Step 6: Final answer
    x = 415,712.70

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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.