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Finding the Fourth Proportional to 354.70, 532.59 and 233.20

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Solution

The fourth proportional to 354.70, 532.59 and 233.20 is: 350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.70 : 532.59 = 233.20 : x
  2. Step 2: Convert to fraction form
    354.70/532.59 = 233.20/x
  3. Step 3: Cross multiply
    354.70x = 532.59 × 233.20
  4. Step 4: Simplify right side
    354.70x = 124,199.99
  5. Step 5: Solve for x
    x = 124,199.99/354.70
  6. Step 6: Final answer
    x = 350.16

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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.