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Finding the Fourth Proportional to 322,557.60, 483,721.20 and 112,202.40

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Solution

The fourth proportional to 322,557.60, 483,721.20 and 112,202.40 is: 168,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,557.60 : 483,721.20 = 112,202.40 : x
  2. Step 2: Convert to fraction form
    322,557.60/483,721.20 = 112,202.40/x
  3. Step 3: Cross multiply
    322,557.60x = 483,721.20 × 112,202.40
  4. Step 4: Simplify right side
    322,557.60x = 54,274,679,570.88
  5. Step 5: Solve for x
    x = 54,274,679,570.88/322,557.60
  6. Step 6: Final answer
    x = 168,263.53

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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.