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Finding the Fourth Proportional to 347,356.56, 479,377.76 and 194,410.08

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Solution

The fourth proportional to 347,356.56, 479,377.76 and 194,410.08 is: 268,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,356.56 : 479,377.76 = 194,410.08 : x
  2. Step 2: Convert to fraction form
    347,356.56/479,377.76 = 194,410.08/x
  3. Step 3: Cross multiply
    347,356.56x = 479,377.76 × 194,410.08
  4. Step 4: Simplify right side
    347,356.56x = 93,195,868,671.82
  5. Step 5: Solve for x
    x = 93,195,868,671.82/347,356.56
  6. Step 6: Final answer
    x = 268,300.30

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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.