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Finding the Fourth Proportional to 618,786.32, 928,180.26 and 169,511.14

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Solution

The fourth proportional to 618,786.32, 928,180.26 and 169,511.14 is: 254,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,786.32 : 928,180.26 = 169,511.14 : x
  2. Step 2: Convert to fraction form
    618,786.32/928,180.26 = 169,511.14/x
  3. Step 3: Cross multiply
    618,786.32x = 928,180.26 × 169,511.14
  4. Step 4: Simplify right side
    618,786.32x = 157,336,893,998.10
  5. Step 5: Solve for x
    x = 157,336,893,998.10/618,786.32
  6. Step 6: Final answer
    x = 254,266.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.