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Finding the Fourth Proportional to 347,246.42, 479,223.81 and 194,299.11

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Solution

The fourth proportional to 347,246.42, 479,223.81 and 194,299.11 is: 268,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,246.42 : 479,223.81 = 194,299.11 : x
  2. Step 2: Convert to fraction form
    347,246.42/479,223.81 = 194,299.11/x
  3. Step 3: Cross multiply
    347,246.42x = 479,223.81 × 194,299.11
  4. Step 4: Simplify right side
    347,246.42x = 93,112,759,773.81
  5. Step 5: Solve for x
    x = 93,112,759,773.81/347,246.42
  6. Step 6: Final answer
    x = 268,146.07

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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.