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Finding the Fourth Proportional to 995.34, 1,493.24 and 346.10

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Solution

The fourth proportional to 995.34, 1,493.24 and 346.10 is: 519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.34 : 1,493.24 = 346.10 : x
  2. Step 2: Convert to fraction form
    995.34/1,493.24 = 346.10/x
  3. Step 3: Cross multiply
    995.34x = 1,493.24 × 346.10
  4. Step 4: Simplify right side
    995.34x = 516,810.36
  5. Step 5: Solve for x
    x = 516,810.36/995.34
  6. Step 6: Final answer
    x = 519.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.