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Finding the Fourth Proportional to 1,048.22, 1,446.45 and 606.08

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Solution

The fourth proportional to 1,048.22, 1,446.45 and 606.08 is: 836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.22 : 1,446.45 = 606.08 : x
  2. Step 2: Convert to fraction form
    1,048.22/1,446.45 = 606.08/x
  3. Step 3: Cross multiply
    1,048.22x = 1,446.45 × 606.08
  4. Step 4: Simplify right side
    1,048.22x = 876,664.42
  5. Step 5: Solve for x
    x = 876,664.42/1,048.22
  6. Step 6: Final answer
    x = 836.34

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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.