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Finding the Fourth Proportional to 551,800.45, 827,692.48 and 152,432.38

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Solution

The fourth proportional to 551,800.45, 827,692.48 and 152,432.38 is: 228,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,800.45 : 827,692.48 = 152,432.38 : x
  2. Step 2: Convert to fraction form
    551,800.45/827,692.48 = 152,432.38/x
  3. Step 3: Cross multiply
    551,800.45x = 827,692.48 × 152,432.38
  4. Step 4: Simplify right side
    551,800.45x = 126,167,135,002.23
  5. Step 5: Solve for x
    x = 126,167,135,002.23/551,800.45
  6. Step 6: Final answer
    x = 228,646.31

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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.