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Finding the Fourth Proportional to 511,031.19, 766,717.50 and 226,682.58

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Solution

The fourth proportional to 511,031.19, 766,717.50 and 226,682.58 is: 340,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,031.19 : 766,717.50 = 226,682.58 : x
  2. Step 2: Convert to fraction form
    511,031.19/766,717.50 = 226,682.58/x
  3. Step 3: Cross multiply
    511,031.19x = 766,717.50 × 226,682.58
  4. Step 4: Simplify right side
    511,031.19x = 173,801,501,031.15
  5. Step 5: Solve for x
    x = 173,801,501,031.15/511,031.19
  6. Step 6: Final answer
    x = 340,099.60

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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.