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Finding the Fourth Proportional to 532.84, 798.64 and 435.48

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Solution

The fourth proportional to 532.84, 798.64 and 435.48 is: 652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.84 : 798.64 = 435.48 : x
  2. Step 2: Convert to fraction form
    532.84/798.64 = 435.48/x
  3. Step 3: Cross multiply
    532.84x = 798.64 × 435.48
  4. Step 4: Simplify right side
    532.84x = 347,791.75
  5. Step 5: Solve for x
    x = 347,791.75/532.84
  6. Step 6: Final answer
    x = 652.71

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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.