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Finding the Fourth Proportional to 467, 644.52 and 260.04

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Solution

The fourth proportional to 467, 644.52 and 260.04 is: 358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467 : 644.52 = 260.04 : x
  2. Step 2: Convert to fraction form
    467/644.52 = 260.04/x
  3. Step 3: Cross multiply
    467x = 644.52 × 260.04
  4. Step 4: Simplify right side
    467x = 167,600.98
  5. Step 5: Solve for x
    x = 167,600.98/467
  6. Step 6: Final answer
    x = 358.89

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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.