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Finding the Fourth Proportional to 532.17, 734.47 and 322.37

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Solution

The fourth proportional to 532.17, 734.47 and 322.37 is: 444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.17 : 734.47 = 322.37 : x
  2. Step 2: Convert to fraction form
    532.17/734.47 = 322.37/x
  3. Step 3: Cross multiply
    532.17x = 734.47 × 322.37
  4. Step 4: Simplify right side
    532.17x = 236,771.09
  5. Step 5: Solve for x
    x = 236,771.09/532.17
  6. Step 6: Final answer
    x = 444.92

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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.