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Finding the Fourth Proportional to 1,204.01, 1,661.34 and 706.58

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Solution

The fourth proportional to 1,204.01, 1,661.34 and 706.58 is: 974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.01 : 1,661.34 = 706.58 : x
  2. Step 2: Convert to fraction form
    1,204.01/1,661.34 = 706.58/x
  3. Step 3: Cross multiply
    1,204.01x = 1,661.34 × 706.58
  4. Step 4: Simplify right side
    1,204.01x = 1,173,869.62
  5. Step 5: Solve for x
    x = 1,173,869.62/1,204.01
  6. Step 6: Final answer
    x = 974.97

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Why These Related Problems?

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