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Finding the Fourth Proportional to 482.69, 666.36 and 364.52

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Solution

The fourth proportional to 482.69, 666.36 and 364.52 is: 503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.69 : 666.36 = 364.52 : x
  2. Step 2: Convert to fraction form
    482.69/666.36 = 364.52/x
  3. Step 3: Cross multiply
    482.69x = 666.36 × 364.52
  4. Step 4: Simplify right side
    482.69x = 242,903.21
  5. Step 5: Solve for x
    x = 242,903.21/482.69
  6. Step 6: Final answer
    x = 503.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.