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Finding the Fourth Proportional to 458,316.60, 632,447.37 and 254,367.69

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Solution

The fourth proportional to 458,316.60, 632,447.37 and 254,367.69 is: 351,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,316.60 : 632,447.37 = 254,367.69 : x
  2. Step 2: Convert to fraction form
    458,316.60/632,447.37 = 254,367.69/x
  3. Step 3: Cross multiply
    458,316.60x = 632,447.37 × 254,367.69
  4. Step 4: Simplify right side
    458,316.60x = 160,874,177,023.91
  5. Step 5: Solve for x
    x = 160,874,177,023.91/458,316.60
  6. Step 6: Final answer
    x = 351,011.02

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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.