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Finding the Fourth Proportional to 531.48, 797.02 and 348.83

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Solution

The fourth proportional to 531.48, 797.02 and 348.83 is: 523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.48 : 797.02 = 348.83 : x
  2. Step 2: Convert to fraction form
    531.48/797.02 = 348.83/x
  3. Step 3: Cross multiply
    531.48x = 797.02 × 348.83
  4. Step 4: Simplify right side
    531.48x = 278,019.63
  5. Step 5: Solve for x
    x = 278,019.63/531.48
  6. Step 6: Final answer
    x = 523.10

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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.