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Finding the Fourth Proportional to 362,449.25, 543,521.58 and 137,685.59

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Solution

The fourth proportional to 362,449.25, 543,521.58 and 137,685.59 is: 206,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,449.25 : 543,521.58 = 137,685.59 : x
  2. Step 2: Convert to fraction form
    362,449.25/543,521.58 = 137,685.59/x
  3. Step 3: Cross multiply
    362,449.25x = 543,521.58 × 137,685.59
  4. Step 4: Simplify right side
    362,449.25x = 74,835,086,702.42
  5. Step 5: Solve for x
    x = 74,835,086,702.42/362,449.25
  6. Step 6: Final answer
    x = 206,470.53

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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.