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Finding the Fourth Proportional to 347,576.66, 479,642.48 and 194,600.54

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Solution

The fourth proportional to 347,576.66, 479,642.48 and 194,600.54 is: 268,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,576.66 : 479,642.48 = 194,600.54 : x
  2. Step 2: Convert to fraction form
    347,576.66/479,642.48 = 194,600.54/x
  3. Step 3: Cross multiply
    347,576.66x = 479,642.48 × 194,600.54
  4. Step 4: Simplify right side
    347,576.66x = 93,338,685,614.94
  5. Step 5: Solve for x
    x = 93,338,685,614.94/347,576.66
  6. Step 6: Final answer
    x = 268,541.29

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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.