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Finding the Fourth Proportional to 482,843.70, 723,977.55 and 295,989.30

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Solution

The fourth proportional to 482,843.70, 723,977.55 and 295,989.30 is: 443,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,843.70 : 723,977.55 = 295,989.30 : x
  2. Step 2: Convert to fraction form
    482,843.70/723,977.55 = 295,989.30/x
  3. Step 3: Cross multiply
    482,843.70x = 723,977.55 × 295,989.30
  4. Step 4: Simplify right side
    482,843.70x = 214,289,608,240.22
  5. Step 5: Solve for x
    x = 214,289,608,240.22/482,843.70
  6. Step 6: Final answer
    x = 443,807.40

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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.