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Finding the Fourth Proportional to 2,270.64, 3,407.64 and 884.19

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Solution

The fourth proportional to 2,270.64, 3,407.64 and 884.19 is: 1,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.64 : 3,407.64 = 884.19 : x
  2. Step 2: Convert to fraction form
    2,270.64/3,407.64 = 884.19/x
  3. Step 3: Cross multiply
    2,270.64x = 3,407.64 × 884.19
  4. Step 4: Simplify right side
    2,270.64x = 3,013,001.21
  5. Step 5: Solve for x
    x = 3,013,001.21/2,270.64
  6. Step 6: Final answer
    x = 1,326.94

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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.