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Finding the Fourth Proportional to 542,883.80, 814,325.70 and 371,936.92

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Solution

The fourth proportional to 542,883.80, 814,325.70 and 371,936.92 is: 557,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,883.80 : 814,325.70 = 371,936.92 : x
  2. Step 2: Convert to fraction form
    542,883.80/814,325.70 = 371,936.92/x
  3. Step 3: Cross multiply
    542,883.80x = 814,325.70 × 371,936.92
  4. Step 4: Simplify right side
    542,883.80x = 302,877,792,734.84
  5. Step 5: Solve for x
    x = 302,877,792,734.84/542,883.80
  6. Step 6: Final answer
    x = 557,905.38

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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.