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Finding the Fourth Proportional to 362,555.67, 543,833.72 and 137,864.24

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Solution

The fourth proportional to 362,555.67, 543,833.72 and 137,864.24 is: 206,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,555.67 : 543,833.72 = 137,864.24 : x
  2. Step 2: Convert to fraction form
    362,555.67/543,833.72 = 137,864.24/x
  3. Step 3: Cross multiply
    362,555.67x = 543,833.72 × 137,864.24
  4. Step 4: Simplify right side
    362,555.67x = 74,975,219,085.68
  5. Step 5: Solve for x
    x = 74,975,219,085.68/362,555.67
  6. Step 6: Final answer
    x = 206,796.43

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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.