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Finding the Fourth Proportional to 551,972.88, 827,986.05 and 152,604.81

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Solution

The fourth proportional to 551,972.88, 827,986.05 and 152,604.81 is: 228,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,972.88 : 827,986.05 = 152,604.81 : x
  2. Step 2: Convert to fraction form
    551,972.88/827,986.05 = 152,604.81/x
  3. Step 3: Cross multiply
    551,972.88x = 827,986.05 × 152,604.81
  4. Step 4: Simplify right side
    551,972.88x = 126,354,653,842.90
  5. Step 5: Solve for x
    x = 126,354,653,842.90/551,972.88
  6. Step 6: Final answer
    x = 228,914.61

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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.