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Finding the Fourth Proportional to 362,359.36, 543,465.28 and 137,641.04

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Solution

The fourth proportional to 362,359.36, 543,465.28 and 137,641.04 is: 206,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,359.36 : 543,465.28 = 137,641.04 : x
  2. Step 2: Convert to fraction form
    362,359.36/543,465.28 = 137,641.04/x
  3. Step 3: Cross multiply
    362,359.36x = 543,465.28 × 137,641.04
  4. Step 4: Simplify right side
    362,359.36x = 74,803,126,343.09
  5. Step 5: Solve for x
    x = 74,803,126,343.09/362,359.36
  6. Step 6: Final answer
    x = 206,433.54

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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.