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Finding the Fourth Proportional to 529.11, 730.50 and 352.32

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Solution

The fourth proportional to 529.11, 730.50 and 352.32 is: 486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.11 : 730.50 = 352.32 : x
  2. Step 2: Convert to fraction form
    529.11/730.50 = 352.32/x
  3. Step 3: Cross multiply
    529.11x = 730.50 × 352.32
  4. Step 4: Simplify right side
    529.11x = 257,369.76
  5. Step 5: Solve for x
    x = 257,369.76/529.11
  6. Step 6: Final answer
    x = 486.42

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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.