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Finding the Fourth Proportional to 403,181.02, 604,061.99 and 379,180.11

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Solution

The fourth proportional to 403,181.02, 604,061.99 and 379,180.11 is: 568,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,181.02 : 604,061.99 = 379,180.11 : x
  2. Step 2: Convert to fraction form
    403,181.02/604,061.99 = 379,180.11/x
  3. Step 3: Cross multiply
    403,181.02x = 604,061.99 × 379,180.11
  4. Step 4: Simplify right side
    403,181.02x = 229,048,289,919.12
  5. Step 5: Solve for x
    x = 229,048,289,919.12/403,181.02
  6. Step 6: Final answer
    x = 568,102.86

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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.