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Finding the Fourth Proportional to 332,490.90, 498,801.15 and 142,950.90

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Solution

The fourth proportional to 332,490.90, 498,801.15 and 142,950.90 is: 214,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,490.90 : 498,801.15 = 142,950.90 : x
  2. Step 2: Convert to fraction form
    332,490.90/498,801.15 = 142,950.90/x
  3. Step 3: Cross multiply
    332,490.90x = 498,801.15 × 142,950.90
  4. Step 4: Simplify right side
    332,490.90x = 71,304,073,313.54
  5. Step 5: Solve for x
    x = 71,304,073,313.54/332,490.90
  6. Step 6: Final answer
    x = 214,454.21

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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.