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Finding the Fourth Proportional to 532,376.88, 734,676.30 and 290,659.44

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Solution

The fourth proportional to 532,376.88, 734,676.30 and 290,659.44 is: 401,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,376.88 : 734,676.30 = 290,659.44 : x
  2. Step 2: Convert to fraction form
    532,376.88/734,676.30 = 290,659.44/x
  3. Step 3: Cross multiply
    532,376.88x = 734,676.30 × 290,659.44
  4. Step 4: Simplify right side
    532,376.88x = 213,540,601,939.27
  5. Step 5: Solve for x
    x = 213,540,601,939.27/532,376.88
  6. Step 6: Final answer
    x = 401,107.96

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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.