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Finding the Fourth Proportional to 624,037.44, 936,121.60 and 203,345.92

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Solution

The fourth proportional to 624,037.44, 936,121.60 and 203,345.92 is: 305,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,037.44 : 936,121.60 = 203,345.92 : x
  2. Step 2: Convert to fraction form
    624,037.44/936,121.60 = 203,345.92/x
  3. Step 3: Cross multiply
    624,037.44x = 936,121.60 × 203,345.92
  4. Step 4: Simplify right side
    624,037.44x = 190,356,507,983.87
  5. Step 5: Solve for x
    x = 190,356,507,983.87/624,037.44
  6. Step 6: Final answer
    x = 305,040.20

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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.