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Finding the Fourth Proportional to 532.42, 797.90 and 276.10

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Solution

The fourth proportional to 532.42, 797.90 and 276.10 is: 413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.42 : 797.90 = 276.10 : x
  2. Step 2: Convert to fraction form
    532.42/797.90 = 276.10/x
  3. Step 3: Cross multiply
    532.42x = 797.90 × 276.10
  4. Step 4: Simplify right side
    532.42x = 220,300.19
  5. Step 5: Solve for x
    x = 220,300.19/532.42
  6. Step 6: Final answer
    x = 413.77

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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.