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Finding the Fourth Proportional to 437,477.70, 603,719.10 and 236,273.70

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Solution

The fourth proportional to 437,477.70, 603,719.10 and 236,273.70 is: 326,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,477.70 : 603,719.10 = 236,273.70 : x
  2. Step 2: Convert to fraction form
    437,477.70/603,719.10 = 236,273.70/x
  3. Step 3: Cross multiply
    437,477.70x = 603,719.10 × 236,273.70
  4. Step 4: Simplify right side
    437,477.70x = 142,642,945,517.67
  5. Step 5: Solve for x
    x = 142,642,945,517.67/437,477.70
  6. Step 6: Final answer
    x = 326,057.64

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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.