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Finding the Fourth Proportional to 458,372.49, 632,541.96 and 254,422.86

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Solution

The fourth proportional to 458,372.49, 632,541.96 and 254,422.86 is: 351,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,372.49 : 632,541.96 = 254,422.86 : x
  2. Step 2: Convert to fraction form
    458,372.49/632,541.96 = 254,422.86/x
  3. Step 3: Cross multiply
    458,372.49x = 632,541.96 × 254,422.86
  4. Step 4: Simplify right side
    458,372.49x = 160,933,134,533.21
  5. Step 5: Solve for x
    x = 160,933,134,533.21/458,372.49
  6. Step 6: Final answer
    x = 351,096.84

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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.