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Finding the Fourth Proportional to 322.48, 483.74 and 106.06

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Solution

The fourth proportional to 322.48, 483.74 and 106.06 is: 159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.48 : 483.74 = 106.06 : x
  2. Step 2: Convert to fraction form
    322.48/483.74 = 106.06/x
  3. Step 3: Cross multiply
    322.48x = 483.74 × 106.06
  4. Step 4: Simplify right side
    322.48x = 51,305.46
  5. Step 5: Solve for x
    x = 51,305.46/322.48
  6. Step 6: Final answer
    x = 159.10

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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.