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Finding the Fourth Proportional to 547,752.33, 755,823.06 and 306,004.86

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Solution

The fourth proportional to 547,752.33, 755,823.06 and 306,004.86 is: 422,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,752.33 : 755,823.06 = 306,004.86 : x
  2. Step 2: Convert to fraction form
    547,752.33/755,823.06 = 306,004.86/x
  3. Step 3: Cross multiply
    547,752.33x = 755,823.06 × 306,004.86
  4. Step 4: Simplify right side
    547,752.33x = 231,285,529,660.07
  5. Step 5: Solve for x
    x = 231,285,529,660.07/547,752.33
  6. Step 6: Final answer
    x = 422,244.72

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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.