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Finding the Fourth Proportional to 704.94, 1,057.24 and 334.52

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Solution

The fourth proportional to 704.94, 1,057.24 and 334.52 is: 501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.94 : 1,057.24 = 334.52 : x
  2. Step 2: Convert to fraction form
    704.94/1,057.24 = 334.52/x
  3. Step 3: Cross multiply
    704.94x = 1,057.24 × 334.52
  4. Step 4: Simplify right side
    704.94x = 353,667.92
  5. Step 5: Solve for x
    x = 353,667.92/704.94
  6. Step 6: Final answer
    x = 501.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.