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Finding the Fourth Proportional to 347,491.95, 479,535.21 and 194,531.39

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Solution

The fourth proportional to 347,491.95, 479,535.21 and 194,531.39 is: 268,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,491.95 : 479,535.21 = 194,531.39 : x
  2. Step 2: Convert to fraction form
    347,491.95/479,535.21 = 194,531.39/x
  3. Step 3: Cross multiply
    347,491.95x = 479,535.21 × 194,531.39
  4. Step 4: Simplify right side
    347,491.95x = 93,284,650,955.24
  5. Step 5: Solve for x
    x = 93,284,650,955.24/347,491.95
  6. Step 6: Final answer
    x = 268,451.26

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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.