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Finding the Fourth Proportional to 291,241.06, 401,568.77 and 199,404.88

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Solution

The fourth proportional to 291,241.06, 401,568.77 and 199,404.88 is: 274,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,241.06 : 401,568.77 = 199,404.88 : x
  2. Step 2: Convert to fraction form
    291,241.06/401,568.77 = 199,404.88/x
  3. Step 3: Cross multiply
    291,241.06x = 401,568.77 × 199,404.88
  4. Step 4: Simplify right side
    291,241.06x = 80,074,771,888.19
  5. Step 5: Solve for x
    x = 80,074,771,888.19/291,241.06
  6. Step 6: Final answer
    x = 274,943.28

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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.