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Finding the Fourth Proportional to 434.80, 600 and 336.64

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Solution

The fourth proportional to 434.80, 600 and 336.64 is: 464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.80 : 600 = 336.64 : x
  2. Step 2: Convert to fraction form
    434.80/600 = 336.64/x
  3. Step 3: Cross multiply
    434.80x = 600 × 336.64
  4. Step 4: Simplify right side
    434.80x = 201,984
  5. Step 5: Solve for x
    x = 201,984/434.80
  6. Step 6: Final answer
    x = 464.54

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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.