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Finding the Fourth Proportional to 484,333.05, 726,500.16 and 231,554.10

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Solution

The fourth proportional to 484,333.05, 726,500.16 and 231,554.10 is: 347,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,333.05 : 726,500.16 = 231,554.10 : x
  2. Step 2: Convert to fraction form
    484,333.05/726,500.16 = 231,554.10/x
  3. Step 3: Cross multiply
    484,333.05x = 726,500.16 × 231,554.10
  4. Step 4: Simplify right side
    484,333.05x = 168,224,090,698.66
  5. Step 5: Solve for x
    x = 168,224,090,698.66/484,333.05
  6. Step 6: Final answer
    x = 347,331.43

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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.