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Finding the Fourth Proportional to 532.80, 797.76 and 468

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Solution

The fourth proportional to 532.80, 797.76 and 468 is: 700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.80 : 797.76 = 468 : x
  2. Step 2: Convert to fraction form
    532.80/797.76 = 468/x
  3. Step 3: Cross multiply
    532.80x = 797.76 × 468
  4. Step 4: Simplify right side
    532.80x = 373,351.68
  5. Step 5: Solve for x
    x = 373,351.68/532.80
  6. Step 6: Final answer
    x = 700.74

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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.