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Finding the Fourth Proportional to 404,753.74, 607,024.74 and 120,367.64

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Solution

The fourth proportional to 404,753.74, 607,024.74 and 120,367.64 is: 180,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,753.74 : 607,024.74 = 120,367.64 : x
  2. Step 2: Convert to fraction form
    404,753.74/607,024.74 = 120,367.64/x
  3. Step 3: Cross multiply
    404,753.74x = 607,024.74 × 120,367.64
  4. Step 4: Simplify right side
    404,753.74x = 73,066,135,375.41
  5. Step 5: Solve for x
    x = 73,066,135,375.41/404,753.74
  6. Step 6: Final answer
    x = 180,519.98

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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.