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Finding the Fourth Proportional to 203,435.44, 280,641.18 and 176,540.20

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Solution

The fourth proportional to 203,435.44, 280,641.18 and 176,540.20 is: 243,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,435.44 : 280,641.18 = 176,540.20 : x
  2. Step 2: Convert to fraction form
    203,435.44/280,641.18 = 176,540.20/x
  3. Step 3: Cross multiply
    203,435.44x = 280,641.18 × 176,540.20
  4. Step 4: Simplify right side
    203,435.44x = 49,544,450,045.44
  5. Step 5: Solve for x
    x = 49,544,450,045.44/203,435.44
  6. Step 6: Final answer
    x = 243,538.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.