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Finding the Fourth Proportional to 458,611.10, 632,923.42 and 254,701.88

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Solution

The fourth proportional to 458,611.10, 632,923.42 and 254,701.88 is: 351,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,611.10 : 632,923.42 = 254,701.88 : x
  2. Step 2: Convert to fraction form
    458,611.10/632,923.42 = 254,701.88/x
  3. Step 3: Cross multiply
    458,611.10x = 632,923.42 × 254,701.88
  4. Step 4: Simplify right side
    458,611.10x = 161,206,783,542.12
  5. Step 5: Solve for x
    x = 161,206,783,542.12/458,611.10
  6. Step 6: Final answer
    x = 351,510.87

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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.