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Finding the Fourth Proportional to 426,765.94, 588,936.55 and 245,473.21

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Solution

The fourth proportional to 426,765.94, 588,936.55 and 245,473.21 is: 338,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,765.94 : 588,936.55 = 245,473.21 : x
  2. Step 2: Convert to fraction form
    426,765.94/588,936.55 = 245,473.21/x
  3. Step 3: Cross multiply
    426,765.94x = 588,936.55 × 245,473.21
  4. Step 4: Simplify right side
    426,765.94x = 144,568,143,650.80
  5. Step 5: Solve for x
    x = 144,568,143,650.80/426,765.94
  6. Step 6: Final answer
    x = 338,752.77

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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.