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Finding the Fourth Proportional to 552,511.92, 762,474.24 and 326,157.36

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Solution

The fourth proportional to 552,511.92, 762,474.24 and 326,157.36 is: 450,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,511.92 : 762,474.24 = 326,157.36 : x
  2. Step 2: Convert to fraction form
    552,511.92/762,474.24 = 326,157.36/x
  3. Step 3: Cross multiply
    552,511.92x = 762,474.24 × 326,157.36
  4. Step 4: Simplify right side
    552,511.92x = 248,686,585,186.41
  5. Step 5: Solve for x
    x = 248,686,585,186.41/552,511.92
  6. Step 6: Final answer
    x = 450,101.76

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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.