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Finding the Fourth Proportional to 347,728.88, 479,877.66 and 194,773.64

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Solution

The fourth proportional to 347,728.88, 479,877.66 and 194,773.64 is: 268,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,728.88 : 479,877.66 = 194,773.64 : x
  2. Step 2: Convert to fraction form
    347,728.88/479,877.66 = 194,773.64/x
  3. Step 3: Cross multiply
    347,728.88x = 479,877.66 × 194,773.64
  4. Step 4: Simplify right side
    347,728.88x = 93,467,518,592.88
  5. Step 5: Solve for x
    x = 93,467,518,592.88/347,728.88
  6. Step 6: Final answer
    x = 268,794.24

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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.