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Finding the Fourth Proportional to 471,336.70, 707,115.78 and 155,793.62

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Solution

The fourth proportional to 471,336.70, 707,115.78 and 155,793.62 is: 233,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,336.70 : 707,115.78 = 155,793.62 : x
  2. Step 2: Convert to fraction form
    471,336.70/707,115.78 = 155,793.62/x
  3. Step 3: Cross multiply
    471,336.70x = 707,115.78 × 155,793.62
  4. Step 4: Simplify right side
    471,336.70x = 110,164,127,125.32
  5. Step 5: Solve for x
    x = 110,164,127,125.32/471,336.70
  6. Step 6: Final answer
    x = 233,727.03

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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.