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Finding the Fourth Proportional to 347,597.06, 479,685.17 and 194,641.92

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Solution

The fourth proportional to 347,597.06, 479,685.17 and 194,641.92 is: 268,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,597.06 : 479,685.17 = 194,641.92 : x
  2. Step 2: Convert to fraction form
    347,597.06/479,685.17 = 194,641.92/x
  3. Step 3: Cross multiply
    347,597.06x = 479,685.17 × 194,641.92
  4. Step 4: Simplify right side
    347,597.06x = 93,366,842,970.93
  5. Step 5: Solve for x
    x = 93,366,842,970.93/347,597.06
  6. Step 6: Final answer
    x = 268,606.54

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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.