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Finding the Fourth Proportional to 458,336.44, 632,511.12 and 254,400.58

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Solution

The fourth proportional to 458,336.44, 632,511.12 and 254,400.58 is: 351,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,336.44 : 632,511.12 = 254,400.58 : x
  2. Step 2: Convert to fraction form
    458,336.44/632,511.12 = 254,400.58/x
  3. Step 3: Cross multiply
    458,336.44x = 632,511.12 × 254,400.58
  4. Step 4: Simplify right side
    458,336.44x = 160,911,195,784.45
  5. Step 5: Solve for x
    x = 160,911,195,784.45/458,336.44
  6. Step 6: Final answer
    x = 351,076.59

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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.