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Finding the Fourth Proportional to 1,044.90, 1,441.80 and 602.84

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Solution

The fourth proportional to 1,044.90, 1,441.80 and 602.84 is: 831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.90 : 1,441.80 = 602.84 : x
  2. Step 2: Convert to fraction form
    1,044.90/1,441.80 = 602.84/x
  3. Step 3: Cross multiply
    1,044.90x = 1,441.80 × 602.84
  4. Step 4: Simplify right side
    1,044.90x = 869,178.32
  5. Step 5: Solve for x
    x = 869,178.32/1,044.90
  6. Step 6: Final answer
    x = 831.83

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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.