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Finding the Fourth Proportional to 347,657.97, 479,728.33 and 194,674.89

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Solution

The fourth proportional to 347,657.97, 479,728.33 and 194,674.89 is: 268,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,657.97 : 479,728.33 = 194,674.89 : x
  2. Step 2: Convert to fraction form
    347,657.97/479,728.33 = 194,674.89/x
  3. Step 3: Cross multiply
    347,657.97x = 479,728.33 × 194,674.89
  4. Step 4: Simplify right side
    347,657.97x = 93,391,059,872.63
  5. Step 5: Solve for x
    x = 93,391,059,872.63/347,657.97
  6. Step 6: Final answer
    x = 268,629.14

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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.