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Finding the Fourth Proportional to 483.93, 666.27 and 336.30

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Solution

The fourth proportional to 483.93, 666.27 and 336.30 is: 463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.93 : 666.27 = 336.30 : x
  2. Step 2: Convert to fraction form
    483.93/666.27 = 336.30/x
  3. Step 3: Cross multiply
    483.93x = 666.27 × 336.30
  4. Step 4: Simplify right side
    483.93x = 224,066.60
  5. Step 5: Solve for x
    x = 224,066.60/483.93
  6. Step 6: Final answer
    x = 463.01

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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.