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Finding the Fourth Proportional to 356,889.84, 535,363.88 and 179,305.20

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Solution

The fourth proportional to 356,889.84, 535,363.88 and 179,305.20 is: 268,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,889.84 : 535,363.88 = 179,305.20 : x
  2. Step 2: Convert to fraction form
    356,889.84/535,363.88 = 179,305.20/x
  3. Step 3: Cross multiply
    356,889.84x = 535,363.88 × 179,305.20
  4. Step 4: Simplify right side
    356,889.84x = 95,993,527,576.18
  5. Step 5: Solve for x
    x = 95,993,527,576.18/356,889.84
  6. Step 6: Final answer
    x = 268,972.43

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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.