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Finding the Fourth Proportional to 1,247.24, 1,871.04 and 597.44

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Solution

The fourth proportional to 1,247.24, 1,871.04 and 597.44 is: 896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.24 : 1,871.04 = 597.44 : x
  2. Step 2: Convert to fraction form
    1,247.24/1,871.04 = 597.44/x
  3. Step 3: Cross multiply
    1,247.24x = 1,871.04 × 597.44
  4. Step 4: Simplify right side
    1,247.24x = 1,117,834.14
  5. Step 5: Solve for x
    x = 1,117,834.14/1,247.24
  6. Step 6: Final answer
    x = 896.25

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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.