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Finding the Fourth Proportional to 362,575.26, 543,780.63 and 137,855.79

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Solution

The fourth proportional to 362,575.26, 543,780.63 and 137,855.79 is: 206,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,575.26 : 543,780.63 = 137,855.79 : x
  2. Step 2: Convert to fraction form
    362,575.26/543,780.63 = 137,855.79/x
  3. Step 3: Cross multiply
    362,575.26x = 543,780.63 × 137,855.79
  4. Step 4: Simplify right side
    362,575.26x = 74,963,308,335.35
  5. Step 5: Solve for x
    x = 74,963,308,335.35/362,575.26
  6. Step 6: Final answer
    x = 206,752.41

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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.