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Finding the Fourth Proportional to 532.08, 797.58 and 378

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Solution

The fourth proportional to 532.08, 797.58 and 378 is: 566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.08 : 797.58 = 378 : x
  2. Step 2: Convert to fraction form
    532.08/797.58 = 378/x
  3. Step 3: Cross multiply
    532.08x = 797.58 × 378
  4. Step 4: Simplify right side
    532.08x = 301,485.24
  5. Step 5: Solve for x
    x = 301,485.24/532.08
  6. Step 6: Final answer
    x = 566.62

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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.