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Finding the Fourth Proportional to 532.98, 735.35 and 358.43

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Solution

The fourth proportional to 532.98, 735.35 and 358.43 is: 494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.98 : 735.35 = 358.43 : x
  2. Step 2: Convert to fraction form
    532.98/735.35 = 358.43/x
  3. Step 3: Cross multiply
    532.98x = 735.35 × 358.43
  4. Step 4: Simplify right side
    532.98x = 263,566.03
  5. Step 5: Solve for x
    x = 263,566.03/532.98
  6. Step 6: Final answer
    x = 494.51

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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.