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Finding the Fourth Proportional to 532.96, 735.52 and 336.40

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Solution

The fourth proportional to 532.96, 735.52 and 336.40 is: 464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.96 : 735.52 = 336.40 : x
  2. Step 2: Convert to fraction form
    532.96/735.52 = 336.40/x
  3. Step 3: Cross multiply
    532.96x = 735.52 × 336.40
  4. Step 4: Simplify right side
    532.96x = 247,428.93
  5. Step 5: Solve for x
    x = 247,428.93/532.96
  6. Step 6: Final answer
    x = 464.25

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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.