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Finding the Fourth Proportional to 458,317.41, 632,468.50 and 254,356.48

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Solution

The fourth proportional to 458,317.41, 632,468.50 and 254,356.48 is: 351,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,317.41 : 632,468.50 = 254,356.48 : x
  2. Step 2: Convert to fraction form
    458,317.41/632,468.50 = 254,356.48/x
  3. Step 3: Cross multiply
    458,317.41x = 632,468.50 × 254,356.48
  4. Step 4: Simplify right side
    458,317.41x = 160,872,461,370.88
  5. Step 5: Solve for x
    x = 160,872,461,370.88/458,317.41
  6. Step 6: Final answer
    x = 351,006.66

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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.