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Finding the Fourth Proportional to 524,076.21, 785,553.75 and 239,340.09

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Solution

The fourth proportional to 524,076.21, 785,553.75 and 239,340.09 is: 358,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,076.21 : 785,553.75 = 239,340.09 : x
  2. Step 2: Convert to fraction form
    524,076.21/785,553.75 = 239,340.09/x
  3. Step 3: Cross multiply
    524,076.21x = 785,553.75 × 239,340.09
  4. Step 4: Simplify right side
    524,076.21x = 188,014,505,224.84
  5. Step 5: Solve for x
    x = 188,014,505,224.84/524,076.21
  6. Step 6: Final answer
    x = 358,754.13

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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.