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Finding the Fourth Proportional to 437,563.74, 603,892.95 and 256,344.83

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Solution

The fourth proportional to 437,563.74, 603,892.95 and 256,344.83 is: 353,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,563.74 : 603,892.95 = 256,344.83 : x
  2. Step 2: Convert to fraction form
    437,563.74/603,892.95 = 256,344.83/x
  3. Step 3: Cross multiply
    437,563.74x = 603,892.95 × 256,344.83
  4. Step 4: Simplify right side
    437,563.74x = 154,804,832,586.48
  5. Step 5: Solve for x
    x = 154,804,832,586.48/437,563.74
  6. Step 6: Final answer
    x = 353,788.07

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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.