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Finding the Fourth Proportional to 542,246.54, 813,370.93 and 222,339.47

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Solution

The fourth proportional to 542,246.54, 813,370.93 and 222,339.47 is: 333,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,246.54 : 813,370.93 = 222,339.47 : x
  2. Step 2: Convert to fraction form
    542,246.54/813,370.93 = 222,339.47/x
  3. Step 3: Cross multiply
    542,246.54x = 813,370.93 × 222,339.47
  4. Step 4: Simplify right side
    542,246.54x = 180,844,456,866.90
  5. Step 5: Solve for x
    x = 180,844,456,866.90/542,246.54
  6. Step 6: Final answer
    x = 333,509.66

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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.