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Finding the Fourth Proportional to 597.90, 897.12 and 251.49

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Solution

The fourth proportional to 597.90, 897.12 and 251.49 is: 377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.90 : 897.12 = 251.49 : x
  2. Step 2: Convert to fraction form
    597.90/897.12 = 251.49/x
  3. Step 3: Cross multiply
    597.90x = 897.12 × 251.49
  4. Step 4: Simplify right side
    597.90x = 225,616.71
  5. Step 5: Solve for x
    x = 225,616.71/597.90
  6. Step 6: Final answer
    x = 377.35

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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.