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Finding the Fourth Proportional to 543,231.60, 816,076.20 and 377,343.60

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Solution

The fourth proportional to 543,231.60, 816,076.20 and 377,343.60 is: 566,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,231.60 : 816,076.20 = 377,343.60 : x
  2. Step 2: Convert to fraction form
    543,231.60/816,076.20 = 377,343.60/x
  3. Step 3: Cross multiply
    543,231.60x = 816,076.20 × 377,343.60
  4. Step 4: Simplify right side
    543,231.60x = 307,941,131,182.32
  5. Step 5: Solve for x
    x = 307,941,131,182.32/543,231.60
  6. Step 6: Final answer
    x = 566,868.96

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1.5x scale

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.