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Finding the Fourth Proportional to 547,548.92, 755,609.48 and 305,835.02

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Solution

The fourth proportional to 547,548.92, 755,609.48 and 305,835.02 is: 422,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,548.92 : 755,609.48 = 305,835.02 : x
  2. Step 2: Convert to fraction form
    547,548.92/755,609.48 = 305,835.02/x
  3. Step 3: Cross multiply
    547,548.92x = 755,609.48 × 305,835.02
  4. Step 4: Simplify right side
    547,548.92x = 231,091,840,427.99
  5. Step 5: Solve for x
    x = 231,091,840,427.99/547,548.92
  6. Step 6: Final answer
    x = 422,047.84

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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.