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Finding the Fourth Proportional to 459.36, 634 and 293.44

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Solution

The fourth proportional to 459.36, 634 and 293.44 is: 405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.36 : 634 = 293.44 : x
  2. Step 2: Convert to fraction form
    459.36/634 = 293.44/x
  3. Step 3: Cross multiply
    459.36x = 634 × 293.44
  4. Step 4: Simplify right side
    459.36x = 186,040.96
  5. Step 5: Solve for x
    x = 186,040.96/459.36
  6. Step 6: Final answer
    x = 405.00

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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.