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Finding the Fourth Proportional to 458,668.34, 632,978.04 and 254,722.48

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Solution

The fourth proportional to 458,668.34, 632,978.04 and 254,722.48 is: 351,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,668.34 : 632,978.04 = 254,722.48 : x
  2. Step 2: Convert to fraction form
    458,668.34/632,978.04 = 254,722.48/x
  3. Step 3: Cross multiply
    458,668.34x = 632,978.04 × 254,722.48
  4. Step 4: Simplify right side
    458,668.34x = 161,233,736,134.34
  5. Step 5: Solve for x
    x = 161,233,736,134.34/458,668.34
  6. Step 6: Final answer
    x = 351,525.76

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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.