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Finding the Fourth Proportional to 332,107.20, 498,160.80 and 154,960.20

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Solution

The fourth proportional to 332,107.20, 498,160.80 and 154,960.20 is: 232,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,107.20 : 498,160.80 = 154,960.20 : x
  2. Step 2: Convert to fraction form
    332,107.20/498,160.80 = 154,960.20/x
  3. Step 3: Cross multiply
    332,107.20x = 498,160.80 × 154,960.20
  4. Step 4: Simplify right side
    332,107.20x = 77,195,097,200.16
  5. Step 5: Solve for x
    x = 77,195,097,200.16/332,107.20
  6. Step 6: Final answer
    x = 232,440.30

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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.