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Finding the Fourth Proportional to 259,474.44, 358,074.54 and 140,242.44

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Solution

The fourth proportional to 259,474.44, 358,074.54 and 140,242.44 is: 193,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,474.44 : 358,074.54 = 140,242.44 : x
  2. Step 2: Convert to fraction form
    259,474.44/358,074.54 = 140,242.44/x
  3. Step 3: Cross multiply
    259,474.44x = 358,074.54 × 140,242.44
  4. Step 4: Simplify right side
    259,474.44x = 50,217,247,191.48
  5. Step 5: Solve for x
    x = 50,217,247,191.48/259,474.44
  6. Step 6: Final answer
    x = 193,534.47

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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.