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Finding the Fourth Proportional to 326,000.88, 449,881.92 and 190,024.56

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Solution

The fourth proportional to 326,000.88, 449,881.92 and 190,024.56 is: 262,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,000.88 : 449,881.92 = 190,024.56 : x
  2. Step 2: Convert to fraction form
    326,000.88/449,881.92 = 190,024.56/x
  3. Step 3: Cross multiply
    326,000.88x = 449,881.92 × 190,024.56
  4. Step 4: Simplify right side
    326,000.88x = 85,488,613,899.96
  5. Step 5: Solve for x
    x = 85,488,613,899.96/326,000.88
  6. Step 6: Final answer
    x = 262,234.30

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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.