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Finding the Fourth Proportional to 532.54, 734.41 and 345.83

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Solution

The fourth proportional to 532.54, 734.41 and 345.83 is: 476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.54 : 734.41 = 345.83 : x
  2. Step 2: Convert to fraction form
    532.54/734.41 = 345.83/x
  3. Step 3: Cross multiply
    532.54x = 734.41 × 345.83
  4. Step 4: Simplify right side
    532.54x = 253,981.01
  5. Step 5: Solve for x
    x = 253,981.01/532.54
  6. Step 6: Final answer
    x = 476.92

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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.