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Finding the Fourth Proportional to 437,503.75, 603,803.87 and 276,351.01

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Solution

The fourth proportional to 437,503.75, 603,803.87 and 276,351.01 is: 381,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,503.75 : 603,803.87 = 276,351.01 : x
  2. Step 2: Convert to fraction form
    437,503.75/603,803.87 = 276,351.01/x
  3. Step 3: Cross multiply
    437,503.75x = 603,803.87 × 276,351.01
  4. Step 4: Simplify right side
    437,503.75x = 166,861,807,461.46
  5. Step 5: Solve for x
    x = 166,861,807,461.46/437,503.75
  6. Step 6: Final answer
    x = 381,395.15

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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.