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Finding the Fourth Proportional to 1,482.69, 2,224.56 and 660.89

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Solution

The fourth proportional to 1,482.69, 2,224.56 and 660.89 is: 991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.69 : 2,224.56 = 660.89 : x
  2. Step 2: Convert to fraction form
    1,482.69/2,224.56 = 660.89/x
  3. Step 3: Cross multiply
    1,482.69x = 2,224.56 × 660.89
  4. Step 4: Simplify right side
    1,482.69x = 1,470,178.34
  5. Step 5: Solve for x
    x = 1,470,178.34/1,482.69
  6. Step 6: Final answer
    x = 991.56

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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.