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Finding the Fourth Proportional to 538,601.44, 743,260.98 and 293,589.40

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Solution

The fourth proportional to 538,601.44, 743,260.98 and 293,589.40 is: 405,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,601.44 : 743,260.98 = 293,589.40 : x
  2. Step 2: Convert to fraction form
    538,601.44/743,260.98 = 293,589.40/x
  3. Step 3: Cross multiply
    538,601.44x = 743,260.98 × 293,589.40
  4. Step 4: Simplify right side
    538,601.44x = 218,213,545,161.61
  5. Step 5: Solve for x
    x = 218,213,545,161.61/538,601.44
  6. Step 6: Final answer
    x = 405,148.46

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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.