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Finding the Fourth Proportional to 1,044.95, 1,442.01 and 602.84

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Solution

The fourth proportional to 1,044.95, 1,442.01 and 602.84 is: 831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.95 : 1,442.01 = 602.84 : x
  2. Step 2: Convert to fraction form
    1,044.95/1,442.01 = 602.84/x
  3. Step 3: Cross multiply
    1,044.95x = 1,442.01 × 602.84
  4. Step 4: Simplify right side
    1,044.95x = 869,301.31
  5. Step 5: Solve for x
    x = 869,301.31/1,044.95
  6. Step 6: Final answer
    x = 831.91

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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.