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Finding the Fourth Proportional to 1,044.51, 1,441.79 and 602.59

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Solution

The fourth proportional to 1,044.51, 1,441.79 and 602.59 is: 831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.51 : 1,441.79 = 602.59 : x
  2. Step 2: Convert to fraction form
    1,044.51/1,441.79 = 602.59/x
  3. Step 3: Cross multiply
    1,044.51x = 1,441.79 × 602.59
  4. Step 4: Simplify right side
    1,044.51x = 868,801.62
  5. Step 5: Solve for x
    x = 868,801.62/1,044.51
  6. Step 6: Final answer
    x = 831.78

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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.