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Finding the Fourth Proportional to 386,793.08, 580,175.04 and 106,303.04

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Solution

The fourth proportional to 386,793.08, 580,175.04 and 106,303.04 is: 159,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,793.08 : 580,175.04 = 106,303.04 : x
  2. Step 2: Convert to fraction form
    386,793.08/580,175.04 = 106,303.04/x
  3. Step 3: Cross multiply
    386,793.08x = 580,175.04 × 106,303.04
  4. Step 4: Simplify right side
    386,793.08x = 61,674,370,484.12
  5. Step 5: Solve for x
    x = 61,674,370,484.12/386,793.08
  6. Step 6: Final answer
    x = 159,450.55

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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.