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Finding the Fourth Proportional to 1,250.28, 1,873.82 and 469.58

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Solution

The fourth proportional to 1,250.28, 1,873.82 and 469.58 is: 703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.28 : 1,873.82 = 469.58 : x
  2. Step 2: Convert to fraction form
    1,250.28/1,873.82 = 469.58/x
  3. Step 3: Cross multiply
    1,250.28x = 1,873.82 × 469.58
  4. Step 4: Simplify right side
    1,250.28x = 879,896.68
  5. Step 5: Solve for x
    x = 879,896.68/1,250.28
  6. Step 6: Final answer
    x = 703.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.