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Finding the Fourth Proportional to 475.93, 713.85 and 293.23

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Solution

The fourth proportional to 475.93, 713.85 and 293.23 is: 439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.93 : 713.85 = 293.23 : x
  2. Step 2: Convert to fraction form
    475.93/713.85 = 293.23/x
  3. Step 3: Cross multiply
    475.93x = 713.85 × 293.23
  4. Step 4: Simplify right side
    475.93x = 209,322.24
  5. Step 5: Solve for x
    x = 209,322.24/475.93
  6. Step 6: Final answer
    x = 439.82

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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.