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Finding the Fourth Proportional to 437,580.27, 603,973.13 and 284,998.68

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Solution

The fourth proportional to 437,580.27, 603,973.13 and 284,998.68 is: 393,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,580.27 : 603,973.13 = 284,998.68 : x
  2. Step 2: Convert to fraction form
    437,580.27/603,973.13 = 284,998.68/x
  3. Step 3: Cross multiply
    437,580.27x = 603,973.13 × 284,998.68
  4. Step 4: Simplify right side
    437,580.27x = 172,131,543,380.48
  5. Step 5: Solve for x
    x = 172,131,543,380.48/437,580.27
  6. Step 6: Final answer
    x = 393,371.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.