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Finding the Fourth Proportional to 551,793.38, 827,705.67 and 152,434.22

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Solution

The fourth proportional to 551,793.38, 827,705.67 and 152,434.22 is: 228,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,793.38 : 827,705.67 = 152,434.22 : x
  2. Step 2: Convert to fraction form
    551,793.38/827,705.67 = 152,434.22/x
  3. Step 3: Cross multiply
    551,793.38x = 827,705.67 × 152,434.22
  4. Step 4: Simplify right side
    551,793.38x = 126,170,668,196.03
  5. Step 5: Solve for x
    x = 126,170,668,196.03/551,793.38
  6. Step 6: Final answer
    x = 228,655.64

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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.