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Finding the Fourth Proportional to 532.16, 734.08 and 335.72

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Solution

The fourth proportional to 532.16, 734.08 and 335.72 is: 463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.16 : 734.08 = 335.72 : x
  2. Step 2: Convert to fraction form
    532.16/734.08 = 335.72/x
  3. Step 3: Cross multiply
    532.16x = 734.08 × 335.72
  4. Step 4: Simplify right side
    532.16x = 246,445.34
  5. Step 5: Solve for x
    x = 246,445.34/532.16
  6. Step 6: Final answer
    x = 463.10

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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.