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Finding the Fourth Proportional to 555.52, 834 and 533.92

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Solution

The fourth proportional to 555.52, 834 and 533.92 is: 801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.52 : 834 = 533.92 : x
  2. Step 2: Convert to fraction form
    555.52/834 = 533.92/x
  3. Step 3: Cross multiply
    555.52x = 834 × 533.92
  4. Step 4: Simplify right side
    555.52x = 445,289.28
  5. Step 5: Solve for x
    x = 445,289.28/555.52
  6. Step 6: Final answer
    x = 801.57

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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.