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Finding the Fourth Proportional to 995.01, 1,373.04 and 546.81

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Solution

The fourth proportional to 995.01, 1,373.04 and 546.81 is: 754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.01 : 1,373.04 = 546.81 : x
  2. Step 2: Convert to fraction form
    995.01/1,373.04 = 546.81/x
  3. Step 3: Cross multiply
    995.01x = 1,373.04 × 546.81
  4. Step 4: Simplify right side
    995.01x = 750,782.40
  5. Step 5: Solve for x
    x = 750,782.40/995.01
  6. Step 6: Final answer
    x = 754.55

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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.