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Finding the Fourth Proportional to 597.64, 895.72 and 212.44

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Solution

The fourth proportional to 597.64, 895.72 and 212.44 is: 318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.64 : 895.72 = 212.44 : x
  2. Step 2: Convert to fraction form
    597.64/895.72 = 212.44/x
  3. Step 3: Cross multiply
    597.64x = 895.72 × 212.44
  4. Step 4: Simplify right side
    597.64x = 190,286.76
  5. Step 5: Solve for x
    x = 190,286.76/597.64
  6. Step 6: Final answer
    x = 318.40

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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.