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Finding the Fourth Proportional to 609,570.90, 913,913.37 and 254,686.41

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Solution

The fourth proportional to 609,570.90, 913,913.37 and 254,686.41 is: 381,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,570.90 : 913,913.37 = 254,686.41 : x
  2. Step 2: Convert to fraction form
    609,570.90/913,913.37 = 254,686.41/x
  3. Step 3: Cross multiply
    609,570.90x = 913,913.37 × 254,686.41
  4. Step 4: Simplify right side
    609,570.90x = 232,761,315,256.30
  5. Step 5: Solve for x
    x = 232,761,315,256.30/609,570.90
  6. Step 6: Final answer
    x = 381,844.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.