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Finding the Fourth Proportional to 666,031.40, 996,131.10 and 595,464.20

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Solution

The fourth proportional to 666,031.40, 996,131.10 and 595,464.20 is: 890,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,031.40 : 996,131.10 = 595,464.20 : x
  2. Step 2: Convert to fraction form
    666,031.40/996,131.10 = 595,464.20/x
  3. Step 3: Cross multiply
    666,031.40x = 996,131.10 × 595,464.20
  4. Step 4: Simplify right side
    666,031.40x = 593,160,408,556.62
  5. Step 5: Solve for x
    x = 593,160,408,556.62/666,031.40
  6. Step 6: Final answer
    x = 890,589.26

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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.