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Finding the Fourth Proportional to 555.42, 833.05 and 295.95

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Solution

The fourth proportional to 555.42, 833.05 and 295.95 is: 443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.42 : 833.05 = 295.95 : x
  2. Step 2: Convert to fraction form
    555.42/833.05 = 295.95/x
  3. Step 3: Cross multiply
    555.42x = 833.05 × 295.95
  4. Step 4: Simplify right side
    555.42x = 246,541.15
  5. Step 5: Solve for x
    x = 246,541.15/555.42
  6. Step 6: Final answer
    x = 443.88

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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.