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Finding the Fourth Proportional to 322.47, 483.48 and 116.99

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Solution

The fourth proportional to 322.47, 483.48 and 116.99 is: 175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.47 : 483.48 = 116.99 : x
  2. Step 2: Convert to fraction form
    322.47/483.48 = 116.99/x
  3. Step 3: Cross multiply
    322.47x = 483.48 × 116.99
  4. Step 4: Simplify right side
    322.47x = 56,559.91
  5. Step 5: Solve for x
    x = 56,559.91/322.47
  6. Step 6: Final answer
    x = 175.40

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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.