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Finding the Fourth Proportional to 514.94, 710.44 and 293.73

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Solution

The fourth proportional to 514.94, 710.44 and 293.73 is: 405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.94 : 710.44 = 293.73 : x
  2. Step 2: Convert to fraction form
    514.94/710.44 = 293.73/x
  3. Step 3: Cross multiply
    514.94x = 710.44 × 293.73
  4. Step 4: Simplify right side
    514.94x = 208,674.14
  5. Step 5: Solve for x
    x = 208,674.14/514.94
  6. Step 6: Final answer
    x = 405.24

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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.