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Finding the Fourth Proportional to 458.37, 632.33 and 300.93

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Solution

The fourth proportional to 458.37, 632.33 and 300.93 is: 415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.37 : 632.33 = 300.93 : x
  2. Step 2: Convert to fraction form
    458.37/632.33 = 300.93/x
  3. Step 3: Cross multiply
    458.37x = 632.33 × 300.93
  4. Step 4: Simplify right side
    458.37x = 190,287.14
  5. Step 5: Solve for x
    x = 190,287.14/458.37
  6. Step 6: Final answer
    x = 415.14

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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.