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Finding the Fourth Proportional to 532.88, 735.98 and 357.92

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Solution

The fourth proportional to 532.88, 735.98 and 357.92 is: 494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.88 : 735.98 = 357.92 : x
  2. Step 2: Convert to fraction form
    532.88/735.98 = 357.92/x
  3. Step 3: Cross multiply
    532.88x = 735.98 × 357.92
  4. Step 4: Simplify right side
    532.88x = 263,416.49
  5. Step 5: Solve for x
    x = 263,416.49/532.88
  6. Step 6: Final answer
    x = 494.33

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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.