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Finding the Fourth Proportional to 429.12, 592.08 and 296.44

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Solution

The fourth proportional to 429.12, 592.08 and 296.44 is: 409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.12 : 592.08 = 296.44 : x
  2. Step 2: Convert to fraction form
    429.12/592.08 = 296.44/x
  3. Step 3: Cross multiply
    429.12x = 592.08 × 296.44
  4. Step 4: Simplify right side
    429.12x = 175,516.20
  5. Step 5: Solve for x
    x = 175,516.20/429.12
  6. Step 6: Final answer
    x = 409.01

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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.