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Finding the Fourth Proportional to 1,231.51, 1,847.27 and 500.92

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Solution

The fourth proportional to 1,231.51, 1,847.27 and 500.92 is: 751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.51 : 1,847.27 = 500.92 : x
  2. Step 2: Convert to fraction form
    1,231.51/1,847.27 = 500.92/x
  3. Step 3: Cross multiply
    1,231.51x = 1,847.27 × 500.92
  4. Step 4: Simplify right side
    1,231.51x = 925,334.49
  5. Step 5: Solve for x
    x = 925,334.49/1,231.51
  6. Step 6: Final answer
    x = 751.38

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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.