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Finding the Fourth Proportional to 476.08, 713.96 and 293.56

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Solution

The fourth proportional to 476.08, 713.96 and 293.56 is: 440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.08 : 713.96 = 293.56 : x
  2. Step 2: Convert to fraction form
    476.08/713.96 = 293.56/x
  3. Step 3: Cross multiply
    476.08x = 713.96 × 293.56
  4. Step 4: Simplify right side
    476.08x = 209,590.10
  5. Step 5: Solve for x
    x = 209,590.10/476.08
  6. Step 6: Final answer
    x = 440.24

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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.