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Finding the Fourth Proportional to 542,394.52, 813,403.13 and 222,455.55

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Solution

The fourth proportional to 542,394.52, 813,403.13 and 222,455.55 is: 333,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,394.52 : 813,403.13 = 222,455.55 : x
  2. Step 2: Convert to fraction form
    542,394.52/813,403.13 = 222,455.55/x
  3. Step 3: Cross multiply
    542,394.52x = 813,403.13 × 222,455.55
  4. Step 4: Simplify right side
    542,394.52x = 180,946,040,655.87
  5. Step 5: Solve for x
    x = 180,946,040,655.87/542,394.52
  6. Step 6: Final answer
    x = 333,605.95

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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.