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Finding the Fourth Proportional to 332,440.40, 498,833.40 and 145,470.80

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Solution

The fourth proportional to 332,440.40, 498,833.40 and 145,470.80 is: 218,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,440.40 : 498,833.40 = 145,470.80 : x
  2. Step 2: Convert to fraction form
    332,440.40/498,833.40 = 145,470.80/x
  3. Step 3: Cross multiply
    332,440.40x = 498,833.40 × 145,470.80
  4. Step 4: Simplify right side
    332,440.40x = 72,565,693,764.72
  5. Step 5: Solve for x
    x = 72,565,693,764.72/332,440.40
  6. Step 6: Final answer
    x = 218,281.81

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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.