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Finding the Fourth Proportional to 532.89, 735.84 and 358.34

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Solution

The fourth proportional to 532.89, 735.84 and 358.34 is: 494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.89 : 735.84 = 358.34 : x
  2. Step 2: Convert to fraction form
    532.89/735.84 = 358.34/x
  3. Step 3: Cross multiply
    532.89x = 735.84 × 358.34
  4. Step 4: Simplify right side
    532.89x = 263,677.23
  5. Step 5: Solve for x
    x = 263,677.23/532.89
  6. Step 6: Final answer
    x = 494.81

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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.