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Finding the Fourth Proportional to 259,606.32, 358,257.24 and 140,374.32

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Solution

The fourth proportional to 259,606.32, 358,257.24 and 140,374.32 is: 193,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,606.32 : 358,257.24 = 140,374.32 : x
  2. Step 2: Convert to fraction form
    259,606.32/358,257.24 = 140,374.32/x
  3. Step 3: Cross multiply
    259,606.32x = 358,257.24 × 140,374.32
  4. Step 4: Simplify right side
    259,606.32x = 50,290,116,450.08
  5. Step 5: Solve for x
    x = 50,290,116,450.08/259,606.32
  6. Step 6: Final answer
    x = 193,716.84

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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.