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Finding the Fourth Proportional to 297,363.54, 445,807.38 and 155,137.44

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Solution

The fourth proportional to 297,363.54, 445,807.38 and 155,137.44 is: 232,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,363.54 : 445,807.38 = 155,137.44 : x
  2. Step 2: Convert to fraction form
    297,363.54/445,807.38 = 155,137.44/x
  3. Step 3: Cross multiply
    297,363.54x = 445,807.38 × 155,137.44
  4. Step 4: Simplify right side
    297,363.54x = 69,161,415,666.31
  5. Step 5: Solve for x
    x = 69,161,415,666.31/297,363.54
  6. Step 6: Final answer
    x = 232,582.03

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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.