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Finding the Fourth Proportional to 529.93, 731.18 and 333.48

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Solution

The fourth proportional to 529.93, 731.18 and 333.48 is: 460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.93 : 731.18 = 333.48 : x
  2. Step 2: Convert to fraction form
    529.93/731.18 = 333.48/x
  3. Step 3: Cross multiply
    529.93x = 731.18 × 333.48
  4. Step 4: Simplify right side
    529.93x = 243,833.91
  5. Step 5: Solve for x
    x = 243,833.91/529.93
  6. Step 6: Final answer
    x = 460.12

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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.