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Finding the Fourth Proportional to 332,353.40, 498,189.90 and 163,614.20

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Solution

The fourth proportional to 332,353.40, 498,189.90 and 163,614.20 is: 245,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,353.40 : 498,189.90 = 163,614.20 : x
  2. Step 2: Convert to fraction form
    332,353.40/498,189.90 = 163,614.20/x
  3. Step 3: Cross multiply
    332,353.40x = 498,189.90 × 163,614.20
  4. Step 4: Simplify right side
    332,353.40x = 81,510,941,936.58
  5. Step 5: Solve for x
    x = 81,510,941,936.58/332,353.40
  6. Step 6: Final answer
    x = 245,253.82

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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.