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Finding the Fourth Proportional to 581.84, 872.88 and 197.04

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Solution

The fourth proportional to 581.84, 872.88 and 197.04 is: 295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.84 : 872.88 = 197.04 : x
  2. Step 2: Convert to fraction form
    581.84/872.88 = 197.04/x
  3. Step 3: Cross multiply
    581.84x = 872.88 × 197.04
  4. Step 4: Simplify right side
    581.84x = 171,992.28
  5. Step 5: Solve for x
    x = 171,992.28/581.84
  6. Step 6: Final answer
    x = 295.60

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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.