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Finding the Fourth Proportional to 238,475.44, 357,446.71 and 103,383.55

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Solution

The fourth proportional to 238,475.44, 357,446.71 and 103,383.55 is: 154,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,475.44 : 357,446.71 = 103,383.55 : x
  2. Step 2: Convert to fraction form
    238,475.44/357,446.71 = 103,383.55/x
  3. Step 3: Cross multiply
    238,475.44x = 357,446.71 × 103,383.55
  4. Step 4: Simplify right side
    238,475.44x = 36,954,109,815.62
  5. Step 5: Solve for x
    x = 36,954,109,815.62/238,475.44
  6. Step 6: Final answer
    x = 154,959.81

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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.