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Finding the Fourth Proportional to 1,474.48, 2,211.87 and 597.28

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Solution

The fourth proportional to 1,474.48, 2,211.87 and 597.28 is: 895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.48 : 2,211.87 = 597.28 : x
  2. Step 2: Convert to fraction form
    1,474.48/2,211.87 = 597.28/x
  3. Step 3: Cross multiply
    1,474.48x = 2,211.87 × 597.28
  4. Step 4: Simplify right side
    1,474.48x = 1,321,105.71
  5. Step 5: Solve for x
    x = 1,321,105.71/1,474.48
  6. Step 6: Final answer
    x = 895.98

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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.