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Finding the Fourth Proportional to 532.22, 797.84 and 288.45

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Solution

The fourth proportional to 532.22, 797.84 and 288.45 is: 432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.22 : 797.84 = 288.45 : x
  2. Step 2: Convert to fraction form
    532.22/797.84 = 288.45/x
  3. Step 3: Cross multiply
    532.22x = 797.84 × 288.45
  4. Step 4: Simplify right side
    532.22x = 230,135.51
  5. Step 5: Solve for x
    x = 230,135.51/532.22
  6. Step 6: Final answer
    x = 432.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.