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Finding the Fourth Proportional to 447,757.80, 671,632.62 and 181,455

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Solution

The fourth proportional to 447,757.80, 671,632.62 and 181,455 is: 272,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,757.80 : 671,632.62 = 181,455 : x
  2. Step 2: Convert to fraction form
    447,757.80/671,632.62 = 181,455/x
  3. Step 3: Cross multiply
    447,757.80x = 671,632.62 × 181,455
  4. Step 4: Simplify right side
    447,757.80x = 121,871,097,062.10
  5. Step 5: Solve for x
    x = 121,871,097,062.10/447,757.80
  6. Step 6: Final answer
    x = 272,180.85

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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.