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Finding the Fourth Proportional to 338,653.32, 466,992.72 and 236,641.61

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Solution

The fourth proportional to 338,653.32, 466,992.72 and 236,641.61 is: 326,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,653.32 : 466,992.72 = 236,641.61 : x
  2. Step 2: Convert to fraction form
    338,653.32/466,992.72 = 236,641.61/x
  3. Step 3: Cross multiply
    338,653.32x = 466,992.72 × 236,641.61
  4. Step 4: Simplify right side
    338,653.32x = 110,509,910,286.56
  5. Step 5: Solve for x
    x = 110,509,910,286.56/338,653.32
  6. Step 6: Final answer
    x = 326,321.65

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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.