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Finding the Fourth Proportional to 439,469.68, 657,399.78 and 350,896.18

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Solution

The fourth proportional to 439,469.68, 657,399.78 and 350,896.18 is: 524,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,469.68 : 657,399.78 = 350,896.18 : x
  2. Step 2: Convert to fraction form
    439,469.68/657,399.78 = 350,896.18/x
  3. Step 3: Cross multiply
    439,469.68x = 657,399.78 × 350,896.18
  4. Step 4: Simplify right side
    439,469.68x = 230,679,071,534.84
  5. Step 5: Solve for x
    x = 230,679,071,534.84/439,469.68
  6. Step 6: Final answer
    x = 524,903.27

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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.