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Finding the Fourth Proportional to 350,691.66, 483,987.15 and 199,759.50

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Solution

The fourth proportional to 350,691.66, 483,987.15 and 199,759.50 is: 275,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,691.66 : 483,987.15 = 199,759.50 : x
  2. Step 2: Convert to fraction form
    350,691.66/483,987.15 = 199,759.50/x
  3. Step 3: Cross multiply
    350,691.66x = 483,987.15 × 199,759.50
  4. Step 4: Simplify right side
    350,691.66x = 96,681,031,090.43
  5. Step 5: Solve for x
    x = 96,681,031,090.43/350,691.66
  6. Step 6: Final answer
    x = 275,686.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.