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Finding the Fourth Proportional to 532.13, 796.65 and 476.55

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Solution

The fourth proportional to 532.13, 796.65 and 476.55 is: 713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.13 : 796.65 = 476.55 : x
  2. Step 2: Convert to fraction form
    532.13/796.65 = 476.55/x
  3. Step 3: Cross multiply
    532.13x = 796.65 × 476.55
  4. Step 4: Simplify right side
    532.13x = 379,643.56
  5. Step 5: Solve for x
    x = 379,643.56/532.13
  6. Step 6: Final answer
    x = 713.45

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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.