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Finding the Fourth Proportional to 547,882.38, 756,558.63 and 344,286.05

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Solution

The fourth proportional to 547,882.38, 756,558.63 and 344,286.05 is: 475,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,882.38 : 756,558.63 = 344,286.05 : x
  2. Step 2: Convert to fraction form
    547,882.38/756,558.63 = 344,286.05/x
  3. Step 3: Cross multiply
    547,882.38x = 756,558.63 × 344,286.05
  4. Step 4: Simplify right side
    547,882.38x = 260,472,578,533.32
  5. Step 5: Solve for x
    x = 260,472,578,533.32/547,882.38
  6. Step 6: Final answer
    x = 475,416.97

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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.