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Finding the Fourth Proportional to 532.08, 798.24 and 378.06

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Solution

The fourth proportional to 532.08, 798.24 and 378.06 is: 567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.08 : 798.24 = 378.06 : x
  2. Step 2: Convert to fraction form
    532.08/798.24 = 378.06/x
  3. Step 3: Cross multiply
    532.08x = 798.24 × 378.06
  4. Step 4: Simplify right side
    532.08x = 301,782.61
  5. Step 5: Solve for x
    x = 301,782.61/532.08
  6. Step 6: Final answer
    x = 567.18

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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.