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Finding the Fourth Proportional to 551,803.55, 827,697.11 and 152,435.48

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Solution

The fourth proportional to 551,803.55, 827,697.11 and 152,435.48 is: 228,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,803.55 : 827,697.11 = 152,435.48 : x
  2. Step 2: Convert to fraction form
    551,803.55/827,697.11 = 152,435.48/x
  3. Step 3: Cross multiply
    551,803.55x = 827,697.11 × 152,435.48
  4. Step 4: Simplify right side
    551,803.55x = 126,170,401,356.80
  5. Step 5: Solve for x
    x = 126,170,401,356.80/551,803.55
  6. Step 6: Final answer
    x = 228,650.94

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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.