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Finding the Fourth Proportional to 483.01, 666.61 and 296.52

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Solution

The fourth proportional to 483.01, 666.61 and 296.52 is: 409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.01 : 666.61 = 296.52 : x
  2. Step 2: Convert to fraction form
    483.01/666.61 = 296.52/x
  3. Step 3: Cross multiply
    483.01x = 666.61 × 296.52
  4. Step 4: Simplify right side
    483.01x = 197,663.20
  5. Step 5: Solve for x
    x = 197,663.20/483.01
  6. Step 6: Final answer
    x = 409.23

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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.