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Finding the Fourth Proportional to 603,979.35, 903,997.62 and 444,012.93

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Solution

The fourth proportional to 603,979.35, 903,997.62 and 444,012.93 is: 664,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,979.35 : 903,997.62 = 444,012.93 : x
  2. Step 2: Convert to fraction form
    603,979.35/903,997.62 = 444,012.93/x
  3. Step 3: Cross multiply
    603,979.35x = 903,997.62 × 444,012.93
  4. Step 4: Simplify right side
    603,979.35x = 401,386,631,969.23
  5. Step 5: Solve for x
    x = 401,386,631,969.23/603,979.35
  6. Step 6: Final answer
    x = 664,570.13

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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.