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Finding the Fourth Proportional to 618,416.16, 927,611.11 and 169,137.04

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Solution

The fourth proportional to 618,416.16, 927,611.11 and 169,137.04 is: 253,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,416.16 : 927,611.11 = 169,137.04 : x
  2. Step 2: Convert to fraction form
    618,416.16/927,611.11 = 169,137.04/x
  3. Step 3: Cross multiply
    618,416.16x = 927,611.11 × 169,137.04
  4. Step 4: Simplify right side
    618,416.16x = 156,893,396,570.83
  5. Step 5: Solve for x
    x = 156,893,396,570.83/618,416.16
  6. Step 6: Final answer
    x = 253,701.97

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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.