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Finding the Fourth Proportional to 1,048.24, 1,446.51 and 606.43

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Solution

The fourth proportional to 1,048.24, 1,446.51 and 606.43 is: 836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.24 : 1,446.51 = 606.43 : x
  2. Step 2: Convert to fraction form
    1,048.24/1,446.51 = 606.43/x
  3. Step 3: Cross multiply
    1,048.24x = 1,446.51 × 606.43
  4. Step 4: Simplify right side
    1,048.24x = 877,207.06
  5. Step 5: Solve for x
    x = 877,207.06/1,048.24
  6. Step 6: Final answer
    x = 836.84

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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.