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Finding the Fourth Proportional to 347,586.66, 479,656.28 and 194,610.54

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Solution

The fourth proportional to 347,586.66, 479,656.28 and 194,610.54 is: 268,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,586.66 : 479,656.28 = 194,610.54 : x
  2. Step 2: Convert to fraction form
    347,586.66/479,656.28 = 194,610.54/x
  3. Step 3: Cross multiply
    347,586.66x = 479,656.28 × 194,610.54
  4. Step 4: Simplify right side
    347,586.66x = 93,346,167,665.19
  5. Step 5: Solve for x
    x = 93,346,167,665.19/347,586.66
  6. Step 6: Final answer
    x = 268,555.09

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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.