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Finding the Fourth Proportional to 338,394.20, 507,704.34 and 110,700.20

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Solution

The fourth proportional to 338,394.20, 507,704.34 and 110,700.20 is: 166,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,394.20 : 507,704.34 = 110,700.20 : x
  2. Step 2: Convert to fraction form
    338,394.20/507,704.34 = 110,700.20/x
  3. Step 3: Cross multiply
    338,394.20x = 507,704.34 × 110,700.20
  4. Step 4: Simplify right side
    338,394.20x = 56,202,969,440.35
  5. Step 5: Solve for x
    x = 56,202,969,440.35/338,394.20
  6. Step 6: Final answer
    x = 166,087.27

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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.