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Finding the Fourth Proportional to 532.96, 735.45 and 300.10

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Solution

The fourth proportional to 532.96, 735.45 and 300.10 is: 414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.96 : 735.45 = 300.10 : x
  2. Step 2: Convert to fraction form
    532.96/735.45 = 300.10/x
  3. Step 3: Cross multiply
    532.96x = 735.45 × 300.10
  4. Step 4: Simplify right side
    532.96x = 220,708.55
  5. Step 5: Solve for x
    x = 220,708.55/532.96
  6. Step 6: Final answer
    x = 414.12

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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.