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Finding the Fourth Proportional to 1,484.42, 2,227.16 and 704.66

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Solution

The fourth proportional to 1,484.42, 2,227.16 and 704.66 is: 1,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.42 : 2,227.16 = 704.66 : x
  2. Step 2: Convert to fraction form
    1,484.42/2,227.16 = 704.66/x
  3. Step 3: Cross multiply
    1,484.42x = 2,227.16 × 704.66
  4. Step 4: Simplify right side
    1,484.42x = 1,569,381.19
  5. Step 5: Solve for x
    x = 1,569,381.19/1,484.42
  6. Step 6: Final answer
    x = 1,057.24

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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.