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Finding the Fourth Proportional to 437,299.89, 603,267.64 and 255,900.59

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Solution

The fourth proportional to 437,299.89, 603,267.64 and 255,900.59 is: 353,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,299.89 : 603,267.64 = 255,900.59 : x
  2. Step 2: Convert to fraction form
    437,299.89/603,267.64 = 255,900.59/x
  3. Step 3: Cross multiply
    437,299.89x = 603,267.64 × 255,900.59
  4. Step 4: Simplify right side
    437,299.89x = 154,376,545,003.91
  5. Step 5: Solve for x
    x = 154,376,545,003.91/437,299.89
  6. Step 6: Final answer
    x = 353,022.14

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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.