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Finding the Fourth Proportional to 551,784.87, 827,692.92 and 152,425.71

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Solution

The fourth proportional to 551,784.87, 827,692.92 and 152,425.71 is: 228,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,784.87 : 827,692.92 = 152,425.71 : x
  2. Step 2: Convert to fraction form
    551,784.87/827,692.92 = 152,425.71/x
  3. Step 3: Cross multiply
    551,784.87x = 827,692.92 × 152,425.71
  4. Step 4: Simplify right side
    551,784.87x = 126,161,680,992.97
  5. Step 5: Solve for x
    x = 126,161,680,992.97/551,784.87
  6. Step 6: Final answer
    x = 228,642.88

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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.