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Finding the Fourth Proportional to 349,504, 524,122.78 and 124,822.48

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Solution

The fourth proportional to 349,504, 524,122.78 and 124,822.48 is: 187,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,504 : 524,122.78 = 124,822.48 : x
  2. Step 2: Convert to fraction form
    349,504/524,122.78 = 124,822.48/x
  3. Step 3: Cross multiply
    349,504x = 524,122.78 × 124,822.48
  4. Step 4: Simplify right side
    349,504x = 65,422,305,224.09
  5. Step 5: Solve for x
    x = 65,422,305,224.09/349,504
  6. Step 6: Final answer
    x = 187,186.14

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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.