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Finding the Fourth Proportional to 561,382.56, 842,130.52 and 182,287.44

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Solution

The fourth proportional to 561,382.56, 842,130.52 and 182,287.44 is: 273,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,382.56 : 842,130.52 = 182,287.44 : x
  2. Step 2: Convert to fraction form
    561,382.56/842,130.52 = 182,287.44/x
  3. Step 3: Cross multiply
    561,382.56x = 842,130.52 × 182,287.44
  4. Step 4: Simplify right side
    561,382.56x = 153,509,816,636.67
  5. Step 5: Solve for x
    x = 153,509,816,636.67/561,382.56
  6. Step 6: Final answer
    x = 273,449.56

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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.