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Finding the Fourth Proportional to 429.64, 592.90 and 336.48

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Solution

The fourth proportional to 429.64, 592.90 and 336.48 is: 464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.64 : 592.90 = 336.48 : x
  2. Step 2: Convert to fraction form
    429.64/592.90 = 336.48/x
  3. Step 3: Cross multiply
    429.64x = 592.90 × 336.48
  4. Step 4: Simplify right side
    429.64x = 199,498.99
  5. Step 5: Solve for x
    x = 199,498.99/429.64
  6. Step 6: Final answer
    x = 464.34

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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.