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Finding the Fourth Proportional to 338,768.64, 467,521.92 and 195,554.88

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Solution

The fourth proportional to 338,768.64, 467,521.92 and 195,554.88 is: 269,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,768.64 : 467,521.92 = 195,554.88 : x
  2. Step 2: Convert to fraction form
    338,768.64/467,521.92 = 195,554.88/x
  3. Step 3: Cross multiply
    338,768.64x = 467,521.92 × 195,554.88
  4. Step 4: Simplify right side
    338,768.64x = 91,426,192,962.97
  5. Step 5: Solve for x
    x = 91,426,192,962.97/338,768.64
  6. Step 6: Final answer
    x = 269,877.97

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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.