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Finding the Fourth Proportional to 529.71, 795.12 and 433.32

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Solution

The fourth proportional to 529.71, 795.12 and 433.32 is: 650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.71 : 795.12 = 433.32 : x
  2. Step 2: Convert to fraction form
    529.71/795.12 = 433.32/x
  3. Step 3: Cross multiply
    529.71x = 795.12 × 433.32
  4. Step 4: Simplify right side
    529.71x = 344,541.40
  5. Step 5: Solve for x
    x = 344,541.40/529.71
  6. Step 6: Final answer
    x = 650.43

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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.