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Finding the Fourth Proportional to 532.04, 734.01 and 392.49

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Solution

The fourth proportional to 532.04, 734.01 and 392.49 is: 541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.04 : 734.01 = 392.49 : x
  2. Step 2: Convert to fraction form
    532.04/734.01 = 392.49/x
  3. Step 3: Cross multiply
    532.04x = 734.01 × 392.49
  4. Step 4: Simplify right side
    532.04x = 288,089.62
  5. Step 5: Solve for x
    x = 288,089.62/532.04
  6. Step 6: Final answer
    x = 541.49

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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.