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Finding the Fourth Proportional to 458,367.76, 632,537.94 and 254,406.76

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Solution

The fourth proportional to 458,367.76, 632,537.94 and 254,406.76 is: 351,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,367.76 : 632,537.94 = 254,406.76 : x
  2. Step 2: Convert to fraction form
    458,367.76/632,537.94 = 254,406.76/x
  3. Step 3: Cross multiply
    458,367.76x = 632,537.94 × 254,406.76
  4. Step 4: Simplify right side
    458,367.76x = 160,921,927,892.47
  5. Step 5: Solve for x
    x = 160,921,927,892.47/458,367.76
  6. Step 6: Final answer
    x = 351,076.02

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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.