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Finding the Fourth Proportional to 1,095.92, 1,644.14 and 365.57

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Solution

The fourth proportional to 1,095.92, 1,644.14 and 365.57 is: 548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.92 : 1,644.14 = 365.57 : x
  2. Step 2: Convert to fraction form
    1,095.92/1,644.14 = 365.57/x
  3. Step 3: Cross multiply
    1,095.92x = 1,644.14 × 365.57
  4. Step 4: Simplify right side
    1,095.92x = 601,053.28
  5. Step 5: Solve for x
    x = 601,053.28/1,095.92
  6. Step 6: Final answer
    x = 548.45

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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.