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Finding the Fourth Proportional to 995.14, 1,373.07 and 602.16

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Solution

The fourth proportional to 995.14, 1,373.07 and 602.16 is: 830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.14 : 1,373.07 = 602.16 : x
  2. Step 2: Convert to fraction form
    995.14/1,373.07 = 602.16/x
  3. Step 3: Cross multiply
    995.14x = 1,373.07 × 602.16
  4. Step 4: Simplify right side
    995.14x = 826,807.83
  5. Step 5: Solve for x
    x = 826,807.83/995.14
  6. Step 6: Final answer
    x = 830.85

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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.