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Finding the Fourth Proportional to 995.14, 1,373.42 and 602.17

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Solution

The fourth proportional to 995.14, 1,373.42 and 602.17 is: 831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.14 : 1,373.42 = 602.17 : x
  2. Step 2: Convert to fraction form
    995.14/1,373.42 = 602.17/x
  3. Step 3: Cross multiply
    995.14x = 1,373.42 × 602.17
  4. Step 4: Simplify right side
    995.14x = 827,032.32
  5. Step 5: Solve for x
    x = 827,032.32/995.14
  6. Step 6: Final answer
    x = 831.07

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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.