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Finding the Fourth Proportional to 296,249.40, 443,078.10 and 264,886.20

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Solution

The fourth proportional to 296,249.40, 443,078.10 and 264,886.20 is: 396,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,249.40 : 443,078.10 = 264,886.20 : x
  2. Step 2: Convert to fraction form
    296,249.40/443,078.10 = 264,886.20/x
  3. Step 3: Cross multiply
    296,249.40x = 443,078.10 × 264,886.20
  4. Step 4: Simplify right side
    296,249.40x = 117,365,274,212.22
  5. Step 5: Solve for x
    x = 117,365,274,212.22/296,249.40
  6. Step 6: Final answer
    x = 396,170.50

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1.5x scale

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.