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Finding the Fourth Proportional to 403,783.30, 605,529.15 and 204,037.30

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Solution

The fourth proportional to 403,783.30, 605,529.15 and 204,037.30 is: 305,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,783.30 : 605,529.15 = 204,037.30 : x
  2. Step 2: Convert to fraction form
    403,783.30/605,529.15 = 204,037.30/x
  3. Step 3: Cross multiply
    403,783.30x = 605,529.15 × 204,037.30
  4. Step 4: Simplify right side
    403,783.30x = 123,550,532,837.30
  5. Step 5: Solve for x
    x = 123,550,532,837.30/403,783.30
  6. Step 6: Final answer
    x = 305,982.28

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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.