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Finding the Fourth Proportional to 426,711.58, 588,879.87 and 245,423.56

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Solution

The fourth proportional to 426,711.58, 588,879.87 and 245,423.56 is: 338,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,711.58 : 588,879.87 = 245,423.56 : x
  2. Step 2: Convert to fraction form
    426,711.58/588,879.87 = 245,423.56/x
  3. Step 3: Cross multiply
    426,711.58x = 588,879.87 × 245,423.56
  4. Step 4: Simplify right side
    426,711.58x = 144,524,994,107.74
  5. Step 5: Solve for x
    x = 144,524,994,107.74/426,711.58
  6. Step 6: Final answer
    x = 338,694.80

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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.