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Finding the Fourth Proportional to 349,295.46, 523,955.49 and 136,079.34

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Solution

The fourth proportional to 349,295.46, 523,955.49 and 136,079.34 is: 204,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,295.46 : 523,955.49 = 136,079.34 : x
  2. Step 2: Convert to fraction form
    349,295.46/523,955.49 = 136,079.34/x
  3. Step 3: Cross multiply
    349,295.46x = 523,955.49 × 136,079.34
  4. Step 4: Simplify right side
    349,295.46x = 71,299,517,268.58
  5. Step 5: Solve for x
    x = 71,299,517,268.58/349,295.46
  6. Step 6: Final answer
    x = 204,123.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.