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Finding the Fourth Proportional to 1,267.44, 1,901.17 and 497.94

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Solution

The fourth proportional to 1,267.44, 1,901.17 and 497.94 is: 746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.44 : 1,901.17 = 497.94 : x
  2. Step 2: Convert to fraction form
    1,267.44/1,901.17 = 497.94/x
  3. Step 3: Cross multiply
    1,267.44x = 1,901.17 × 497.94
  4. Step 4: Simplify right side
    1,267.44x = 946,668.59
  5. Step 5: Solve for x
    x = 946,668.59/1,267.44
  6. Step 6: Final answer
    x = 746.91

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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.