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Finding the Fourth Proportional to 397,676.77, 548,803.33 and 225,606.35

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Solution

The fourth proportional to 397,676.77, 548,803.33 and 225,606.35 is: 311,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,676.77 : 548,803.33 = 225,606.35 : x
  2. Step 2: Convert to fraction form
    397,676.77/548,803.33 = 225,606.35/x
  3. Step 3: Cross multiply
    397,676.77x = 548,803.33 × 225,606.35
  4. Step 4: Simplify right side
    397,676.77x = 123,813,515,139.16
  5. Step 5: Solve for x
    x = 123,813,515,139.16/397,676.77
  6. Step 6: Final answer
    x = 311,342.08

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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.