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Finding the Fourth Proportional to 431,188.44, 595,058.40 and 240,201.78

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Solution

The fourth proportional to 431,188.44, 595,058.40 and 240,201.78 is: 331,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,188.44 : 595,058.40 = 240,201.78 : x
  2. Step 2: Convert to fraction form
    431,188.44/595,058.40 = 240,201.78/x
  3. Step 3: Cross multiply
    431,188.44x = 595,058.40 × 240,201.78
  4. Step 4: Simplify right side
    431,188.44x = 142,934,086,883.95
  5. Step 5: Solve for x
    x = 142,934,086,883.95/431,188.44
  6. Step 6: Final answer
    x = 331,488.68

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1.5x scale

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.