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Finding the Fourth Proportional to 437,327.62, 603,513.21 and 253,601.80

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Solution

The fourth proportional to 437,327.62, 603,513.21 and 253,601.80 is: 349,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,327.62 : 603,513.21 = 253,601.80 : x
  2. Step 2: Convert to fraction form
    437,327.62/603,513.21 = 253,601.80/x
  3. Step 3: Cross multiply
    437,327.62x = 603,513.21 × 253,601.80
  4. Step 4: Simplify right side
    437,327.62x = 153,052,036,379.78
  5. Step 5: Solve for x
    x = 153,052,036,379.78/437,327.62
  6. Step 6: Final answer
    x = 349,971.12

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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.