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Finding the Fourth Proportional to 226,794.10, 339,953.82 and 84,582.20

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Solution

The fourth proportional to 226,794.10, 339,953.82 and 84,582.20 is: 126,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,794.10 : 339,953.82 = 84,582.20 : x
  2. Step 2: Convert to fraction form
    226,794.10/339,953.82 = 84,582.20/x
  3. Step 3: Cross multiply
    226,794.10x = 339,953.82 × 84,582.20
  4. Step 4: Simplify right side
    226,794.10x = 28,754,041,994.00
  5. Step 5: Solve for x
    x = 28,754,041,994.00/226,794.10
  6. Step 6: Final answer
    x = 126,784.79

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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.