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Finding the Fourth Proportional to 360,171.42, 497,066.49 and 199,057.92

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Solution

The fourth proportional to 360,171.42, 497,066.49 and 199,057.92 is: 274,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,171.42 : 497,066.49 = 199,057.92 : x
  2. Step 2: Convert to fraction form
    360,171.42/497,066.49 = 199,057.92/x
  3. Step 3: Cross multiply
    360,171.42x = 497,066.49 × 199,057.92
  4. Step 4: Simplify right side
    360,171.42x = 98,945,021,601.10
  5. Step 5: Solve for x
    x = 98,945,021,601.10/360,171.42
  6. Step 6: Final answer
    x = 274,716.47

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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.