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Finding the Fourth Proportional to 347,599.99, 479,576.46 and 194,615.65

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Solution

The fourth proportional to 347,599.99, 479,576.46 and 194,615.65 is: 268,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,599.99 : 479,576.46 = 194,615.65 : x
  2. Step 2: Convert to fraction form
    347,599.99/479,576.46 = 194,615.65/x
  3. Step 3: Cross multiply
    347,599.99x = 479,576.46 × 194,615.65
  4. Step 4: Simplify right side
    347,599.99x = 93,333,084,487.60
  5. Step 5: Solve for x
    x = 93,333,084,487.60/347,599.99
  6. Step 6: Final answer
    x = 268,507.16

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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.