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Finding the Fourth Proportional to 552,344.73, 762,168.77 and 307,271.58

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Solution

The fourth proportional to 552,344.73, 762,168.77 and 307,271.58 is: 423,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,344.73 : 762,168.77 = 307,271.58 : x
  2. Step 2: Convert to fraction form
    552,344.73/762,168.77 = 307,271.58/x
  3. Step 3: Cross multiply
    552,344.73x = 762,168.77 × 307,271.58
  4. Step 4: Simplify right side
    552,344.73x = 234,192,802,184.56
  5. Step 5: Solve for x
    x = 234,192,802,184.56/552,344.73
  6. Step 6: Final answer
    x = 423,997.54

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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.