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Finding the Fourth Proportional to 332,542.40, 498,473.40 and 163,803.20

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Solution

The fourth proportional to 332,542.40, 498,473.40 and 163,803.20 is: 245,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,542.40 : 498,473.40 = 163,803.20 : x
  2. Step 2: Convert to fraction form
    332,542.40/498,473.40 = 163,803.20/x
  3. Step 3: Cross multiply
    332,542.40x = 498,473.40 × 163,803.20
  4. Step 4: Simplify right side
    332,542.40x = 81,651,538,034.88
  5. Step 5: Solve for x
    x = 81,651,538,034.88/332,542.40
  6. Step 6: Final answer
    x = 245,537.22

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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.