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Finding the Fourth Proportional to 322.65, 482.97 and 176.03

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Solution

The fourth proportional to 322.65, 482.97 and 176.03 is: 263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.65 : 482.97 = 176.03 : x
  2. Step 2: Convert to fraction form
    322.65/482.97 = 176.03/x
  3. Step 3: Cross multiply
    322.65x = 482.97 × 176.03
  4. Step 4: Simplify right side
    322.65x = 85,017.21
  5. Step 5: Solve for x
    x = 85,017.21/322.65
  6. Step 6: Final answer
    x = 263.50

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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.