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Finding the Fourth Proportional to 1,484.41, 2,225.96 and 704.63

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Solution

The fourth proportional to 1,484.41, 2,225.96 and 704.63 is: 1,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.41 : 2,225.96 = 704.63 : x
  2. Step 2: Convert to fraction form
    1,484.41/2,225.96 = 704.63/x
  3. Step 3: Cross multiply
    1,484.41x = 2,225.96 × 704.63
  4. Step 4: Simplify right side
    1,484.41x = 1,568,485.52
  5. Step 5: Solve for x
    x = 1,568,485.52/1,484.41
  6. Step 6: Final answer
    x = 1,056.64

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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.