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Finding the Fourth Proportional to 458,536.97, 632,800.77 and 254,587.90

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Solution

The fourth proportional to 458,536.97, 632,800.77 and 254,587.90 is: 351,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,536.97 : 632,800.77 = 254,587.90 : x
  2. Step 2: Convert to fraction form
    458,536.97/632,800.77 = 254,587.90/x
  3. Step 3: Cross multiply
    458,536.97x = 632,800.77 × 254,587.90
  4. Step 4: Simplify right side
    458,536.97x = 161,103,415,988.68
  5. Step 5: Solve for x
    x = 161,103,415,988.68/458,536.97
  6. Step 6: Final answer
    x = 351,342.27

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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.