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Finding the Fourth Proportional to 1,044.40, 1,441.46 and 602.24

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Solution

The fourth proportional to 1,044.40, 1,441.46 and 602.24 is: 831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.40 : 1,441.46 = 602.24 : x
  2. Step 2: Convert to fraction form
    1,044.40/1,441.46 = 602.24/x
  3. Step 3: Cross multiply
    1,044.40x = 1,441.46 × 602.24
  4. Step 4: Simplify right side
    1,044.40x = 868,104.87
  5. Step 5: Solve for x
    x = 868,104.87/1,044.40
  6. Step 6: Final answer
    x = 831.20

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1.5x scale

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.