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Finding the Fourth Proportional to 1,095.35, 1,644.20 and 608.27

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Solution

The fourth proportional to 1,095.35, 1,644.20 and 608.27 is: 913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.35 : 1,644.20 = 608.27 : x
  2. Step 2: Convert to fraction form
    1,095.35/1,644.20 = 608.27/x
  3. Step 3: Cross multiply
    1,095.35x = 1,644.20 × 608.27
  4. Step 4: Simplify right side
    1,095.35x = 1,000,114.49
  5. Step 5: Solve for x
    x = 1,000,114.49/1,095.35
  6. Step 6: Final answer
    x = 913.05

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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.