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Finding the Fourth Proportional to 555.32, 833.60 and 230.92

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Solution

The fourth proportional to 555.32, 833.60 and 230.92 is: 346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.32 : 833.60 = 230.92 : x
  2. Step 2: Convert to fraction form
    555.32/833.60 = 230.92/x
  3. Step 3: Cross multiply
    555.32x = 833.60 × 230.92
  4. Step 4: Simplify right side
    555.32x = 192,494.91
  5. Step 5: Solve for x
    x = 192,494.91/555.32
  6. Step 6: Final answer
    x = 346.64

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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.