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Finding the Fourth Proportional to 1,497.24, 2,245.86 and 471.24

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Solution

The fourth proportional to 1,497.24, 2,245.86 and 471.24 is: 706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.24 : 2,245.86 = 471.24 : x
  2. Step 2: Convert to fraction form
    1,497.24/2,245.86 = 471.24/x
  3. Step 3: Cross multiply
    1,497.24x = 2,245.86 × 471.24
  4. Step 4: Simplify right side
    1,497.24x = 1,058,339.07
  5. Step 5: Solve for x
    x = 1,058,339.07/1,497.24
  6. Step 6: Final answer
    x = 706.86

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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.