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Finding the Fourth Proportional to 362,272.33, 543,506.91 and 257,755.60

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Solution

The fourth proportional to 362,272.33, 543,506.91 and 257,755.60 is: 386,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,272.33 : 543,506.91 = 257,755.60 : x
  2. Step 2: Convert to fraction form
    362,272.33/543,506.91 = 257,755.60/x
  3. Step 3: Cross multiply
    362,272.33x = 543,506.91 × 257,755.60
  4. Step 4: Simplify right side
    362,272.33x = 140,091,949,691.20
  5. Step 5: Solve for x
    x = 140,091,949,691.20/362,272.33
  6. Step 6: Final answer
    x = 386,703.42

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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.