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Finding the Fourth Proportional to 243,595.96, 335,856.54 and 186,305.56

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Solution

The fourth proportional to 243,595.96, 335,856.54 and 186,305.56 is: 256,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,595.96 : 335,856.54 = 186,305.56 : x
  2. Step 2: Convert to fraction form
    243,595.96/335,856.54 = 186,305.56/x
  3. Step 3: Cross multiply
    243,595.96x = 335,856.54 × 186,305.56
  4. Step 4: Simplify right side
    243,595.96x = 62,571,940,764.36
  5. Step 5: Solve for x
    x = 62,571,940,764.36/243,595.96
  6. Step 6: Final answer
    x = 256,867.73

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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.