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Finding the Fourth Proportional to 620,058.25, 930,092.43 and 170,803.90

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Solution

The fourth proportional to 620,058.25, 930,092.43 and 170,803.90 is: 256,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,058.25 : 930,092.43 = 170,803.90 : x
  2. Step 2: Convert to fraction form
    620,058.25/930,092.43 = 170,803.90/x
  3. Step 3: Cross multiply
    620,058.25x = 930,092.43 × 170,803.90
  4. Step 4: Simplify right side
    620,058.25x = 158,863,414,404.48
  5. Step 5: Solve for x
    x = 158,863,414,404.48/620,058.25
  6. Step 6: Final answer
    x = 256,207.24

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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.