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Finding the Fourth Proportional to 458.94, 632.94 and 293.16

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Solution

The fourth proportional to 458.94, 632.94 and 293.16 is: 404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.94 : 632.94 = 293.16 : x
  2. Step 2: Convert to fraction form
    458.94/632.94 = 293.16/x
  3. Step 3: Cross multiply
    458.94x = 632.94 × 293.16
  4. Step 4: Simplify right side
    458.94x = 185,552.69
  5. Step 5: Solve for x
    x = 185,552.69/458.94
  6. Step 6: Final answer
    x = 404.31

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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.