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Finding the Fourth Proportional to 437,697.45, 656,546.25 and 338,003.07

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Solution

The fourth proportional to 437,697.45, 656,546.25 and 338,003.07 is: 507,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,697.45 : 656,546.25 = 338,003.07 : x
  2. Step 2: Convert to fraction form
    437,697.45/656,546.25 = 338,003.07/x
  3. Step 3: Cross multiply
    437,697.45x = 656,546.25 × 338,003.07
  4. Step 4: Simplify right side
    437,697.45x = 221,914,648,096.99
  5. Step 5: Solve for x
    x = 221,914,648,096.99/437,697.45
  6. Step 6: Final answer
    x = 507,004.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.