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Finding the Fourth Proportional to 458,340.02, 632,504.43 and 254,392.70

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Solution

The fourth proportional to 458,340.02, 632,504.43 and 254,392.70 is: 351,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,340.02 : 632,504.43 = 254,392.70 : x
  2. Step 2: Convert to fraction form
    458,340.02/632,504.43 = 254,392.70/x
  3. Step 3: Cross multiply
    458,340.02x = 632,504.43 × 254,392.70
  4. Step 4: Simplify right side
    458,340.02x = 160,904,510,104.98
  5. Step 5: Solve for x
    x = 160,904,510,104.98/458,340.02
  6. Step 6: Final answer
    x = 351,059.27

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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.