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Finding the Fourth Proportional to 1,096.66, 1,645.07 and 366.23

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Solution

The fourth proportional to 1,096.66, 1,645.07 and 366.23 is: 549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.66 : 1,645.07 = 366.23 : x
  2. Step 2: Convert to fraction form
    1,096.66/1,645.07 = 366.23/x
  3. Step 3: Cross multiply
    1,096.66x = 1,645.07 × 366.23
  4. Step 4: Simplify right side
    1,096.66x = 602,472.15
  5. Step 5: Solve for x
    x = 602,472.15/1,096.66
  6. Step 6: Final answer
    x = 549.37

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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.