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Finding the Fourth Proportional to 395,676.14, 546,222.30 and 225,877.46

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Solution

The fourth proportional to 395,676.14, 546,222.30 and 225,877.46 is: 311,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,676.14 : 546,222.30 = 225,877.46 : x
  2. Step 2: Convert to fraction form
    395,676.14/546,222.30 = 225,877.46/x
  3. Step 3: Cross multiply
    395,676.14x = 546,222.30 × 225,877.46
  4. Step 4: Simplify right side
    395,676.14x = 123,379,305,719.36
  5. Step 5: Solve for x
    x = 123,379,305,719.36/395,676.14
  6. Step 6: Final answer
    x = 311,818.92

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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.