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Finding the Fourth Proportional to 262,431.68, 362,119.20 and 149,241.92

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Solution

The fourth proportional to 262,431.68, 362,119.20 and 149,241.92 is: 205,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,431.68 : 362,119.20 = 149,241.92 : x
  2. Step 2: Convert to fraction form
    262,431.68/362,119.20 = 149,241.92/x
  3. Step 3: Cross multiply
    262,431.68x = 362,119.20 × 149,241.92
  4. Step 4: Simplify right side
    262,431.68x = 54,043,364,676.86
  5. Step 5: Solve for x
    x = 54,043,364,676.86/262,431.68
  6. Step 6: Final answer
    x = 205,933.08

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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.