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Finding the Fourth Proportional to 618,817.06, 928,226.31 and 169,541.83

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Solution

The fourth proportional to 618,817.06, 928,226.31 and 169,541.83 is: 254,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,817.06 : 928,226.31 = 169,541.83 : x
  2. Step 2: Convert to fraction form
    618,817.06/928,226.31 = 169,541.83/x
  3. Step 3: Cross multiply
    618,817.06x = 928,226.31 × 169,541.83
  4. Step 4: Simplify right side
    618,817.06x = 157,373,187,251.55
  5. Step 5: Solve for x
    x = 157,373,187,251.55/618,817.06
  6. Step 6: Final answer
    x = 254,312.94

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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.