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Finding the Fourth Proportional to 517.64, 714.13 and 362.48

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Solution

The fourth proportional to 517.64, 714.13 and 362.48 is: 500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.64 : 714.13 = 362.48 : x
  2. Step 2: Convert to fraction form
    517.64/714.13 = 362.48/x
  3. Step 3: Cross multiply
    517.64x = 714.13 × 362.48
  4. Step 4: Simplify right side
    517.64x = 258,853.37
  5. Step 5: Solve for x
    x = 258,853.37/517.64
  6. Step 6: Final answer
    x = 500.07

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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.