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Finding the Fourth Proportional to 542,901.32, 814,351.98 and 294,069.32

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Solution

The fourth proportional to 542,901.32, 814,351.98 and 294,069.32 is: 441,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,901.32 : 814,351.98 = 294,069.32 : x
  2. Step 2: Convert to fraction form
    542,901.32/814,351.98 = 294,069.32/x
  3. Step 3: Cross multiply
    542,901.32x = 814,351.98 × 294,069.32
  4. Step 4: Simplify right side
    542,901.32x = 239,475,932,999.25
  5. Step 5: Solve for x
    x = 239,475,932,999.25/542,901.32
  6. Step 6: Final answer
    x = 441,103.98

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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.