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Finding the Fourth Proportional to 417,544.66, 576,182.69 and 245,469.88

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Solution

The fourth proportional to 417,544.66, 576,182.69 and 245,469.88 is: 338,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,544.66 : 576,182.69 = 245,469.88 : x
  2. Step 2: Convert to fraction form
    417,544.66/576,182.69 = 245,469.88/x
  3. Step 3: Cross multiply
    417,544.66x = 576,182.69 × 245,469.88
  4. Step 4: Simplify right side
    417,544.66x = 141,435,494,025.08
  5. Step 5: Solve for x
    x = 141,435,494,025.08/417,544.66
  6. Step 6: Final answer
    x = 338,731.42

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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.