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Finding the Fourth Proportional to 1,048.68, 1,447.11 and 606.72

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Solution

The fourth proportional to 1,048.68, 1,447.11 and 606.72 is: 837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.68 : 1,447.11 = 606.72 : x
  2. Step 2: Convert to fraction form
    1,048.68/1,447.11 = 606.72/x
  3. Step 3: Cross multiply
    1,048.68x = 1,447.11 × 606.72
  4. Step 4: Simplify right side
    1,048.68x = 877,990.58
  5. Step 5: Solve for x
    x = 877,990.58/1,048.68
  6. Step 6: Final answer
    x = 837.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.