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Finding the Fourth Proportional to 322,663.80, 483,765.30 and 182,465.40

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Solution

The fourth proportional to 322,663.80, 483,765.30 and 182,465.40 is: 273,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,663.80 : 483,765.30 = 182,465.40 : x
  2. Step 2: Convert to fraction form
    322,663.80/483,765.30 = 182,465.40/x
  3. Step 3: Cross multiply
    322,663.80x = 483,765.30 × 182,465.40
  4. Step 4: Simplify right side
    322,663.80x = 88,270,428,970.62
  5. Step 5: Solve for x
    x = 88,270,428,970.62/322,663.80
  6. Step 6: Final answer
    x = 273,567.81

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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.