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Finding the Fourth Proportional to 542,394.02, 813,402.38 and 222,455.06

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Solution

The fourth proportional to 542,394.02, 813,402.38 and 222,455.06 is: 333,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,394.02 : 813,402.38 = 222,455.06 : x
  2. Step 2: Convert to fraction form
    542,394.02/813,402.38 = 222,455.06/x
  3. Step 3: Cross multiply
    542,394.02x = 813,402.38 × 222,455.06
  4. Step 4: Simplify right side
    542,394.02x = 180,945,471,180.03
  5. Step 5: Solve for x
    x = 180,945,471,180.03/542,394.02
  6. Step 6: Final answer
    x = 333,605.21

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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.