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Finding the Fourth Proportional to 1,497.69, 2,247.14 and 573.68

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Solution

The fourth proportional to 1,497.69, 2,247.14 and 573.68 is: 860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.69 : 2,247.14 = 573.68 : x
  2. Step 2: Convert to fraction form
    1,497.69/2,247.14 = 573.68/x
  3. Step 3: Cross multiply
    1,497.69x = 2,247.14 × 573.68
  4. Step 4: Simplify right side
    1,497.69x = 1,289,146.33
  5. Step 5: Solve for x
    x = 1,289,146.33/1,497.69
  6. Step 6: Final answer
    x = 860.76

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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.