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Finding the Fourth Proportional to 458,356.41, 632,538.59 and 254,420.46

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Solution

The fourth proportional to 458,356.41, 632,538.59 and 254,420.46 is: 351,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,356.41 : 632,538.59 = 254,420.46 : x
  2. Step 2: Convert to fraction form
    458,356.41/632,538.59 = 254,420.46/x
  3. Step 3: Cross multiply
    458,356.41x = 632,538.59 × 254,420.46
  4. Step 4: Simplify right side
    458,356.41x = 160,930,757,763.45
  5. Step 5: Solve for x
    x = 160,930,757,763.45/458,356.41
  6. Step 6: Final answer
    x = 351,103.98

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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.