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Finding the Fourth Proportional to 238,653.29, 329,338.86 and 177,672.13

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Solution

The fourth proportional to 238,653.29, 329,338.86 and 177,672.13 is: 245,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,653.29 : 329,338.86 = 177,672.13 : x
  2. Step 2: Convert to fraction form
    238,653.29/329,338.86 = 177,672.13/x
  3. Step 3: Cross multiply
    238,653.29x = 329,338.86 × 177,672.13
  4. Step 4: Simplify right side
    238,653.29x = 58,514,338,110.29
  5. Step 5: Solve for x
    x = 58,514,338,110.29/238,653.29
  6. Step 6: Final answer
    x = 245,185.55

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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.