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Finding the Fourth Proportional to 547,952.54, 756,171.92 and 306,234.86

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Solution

The fourth proportional to 547,952.54, 756,171.92 and 306,234.86 is: 422,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,952.54 : 756,171.92 = 306,234.86 : x
  2. Step 2: Convert to fraction form
    547,952.54/756,171.92 = 306,234.86/x
  3. Step 3: Cross multiply
    547,952.54x = 756,171.92 × 306,234.86
  4. Step 4: Simplify right side
    547,952.54x = 231,566,202,057.13
  5. Step 5: Solve for x
    x = 231,566,202,057.13/547,952.54
  6. Step 6: Final answer
    x = 422,602.66

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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.