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Finding the Fourth Proportional to 582.84, 874.30 and 171.98

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Solution

The fourth proportional to 582.84, 874.30 and 171.98 is: 257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.84 : 874.30 = 171.98 : x
  2. Step 2: Convert to fraction form
    582.84/874.30 = 171.98/x
  3. Step 3: Cross multiply
    582.84x = 874.30 × 171.98
  4. Step 4: Simplify right side
    582.84x = 150,362.11
  5. Step 5: Solve for x
    x = 150,362.11/582.84
  6. Step 6: Final answer
    x = 257.98

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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.