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Finding the Fourth Proportional to 551,337.55, 827,124.03 and 191,519.55

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Solution

The fourth proportional to 551,337.55, 827,124.03 and 191,519.55 is: 287,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,337.55 : 827,124.03 = 191,519.55 : x
  2. Step 2: Convert to fraction form
    551,337.55/827,124.03 = 191,519.55/x
  3. Step 3: Cross multiply
    551,337.55x = 827,124.03 × 191,519.55
  4. Step 4: Simplify right side
    551,337.55x = 158,410,422,019.79
  5. Step 5: Solve for x
    x = 158,410,422,019.79/551,337.55
  6. Step 6: Final answer
    x = 287,320.21

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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.