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Finding the Fourth Proportional to 259,652.44, 358,321.44 and 140,420.44

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Solution

The fourth proportional to 259,652.44, 358,321.44 and 140,420.44 is: 193,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,652.44 : 358,321.44 = 140,420.44 : x
  2. Step 2: Convert to fraction form
    259,652.44/358,321.44 = 140,420.44/x
  3. Step 3: Cross multiply
    259,652.44x = 358,321.44 × 140,420.44
  4. Step 4: Simplify right side
    259,652.44x = 50,315,653,897.01
  5. Step 5: Solve for x
    x = 50,315,653,897.01/259,652.44
  6. Step 6: Final answer
    x = 193,780.79

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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.