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Finding the Fourth Proportional to 532.11, 734.32 and 322.29

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Solution

The fourth proportional to 532.11, 734.32 and 322.29 is: 444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.11 : 734.32 = 322.29 : x
  2. Step 2: Convert to fraction form
    532.11/734.32 = 322.29/x
  3. Step 3: Cross multiply
    532.11x = 734.32 × 322.29
  4. Step 4: Simplify right side
    532.11x = 236,663.99
  5. Step 5: Solve for x
    x = 236,663.99/532.11
  6. Step 6: Final answer
    x = 444.77

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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.