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Finding the Fourth Proportional to 223,485.57, 335,228.34 and 57,273.57

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Solution

The fourth proportional to 223,485.57, 335,228.34 and 57,273.57 is: 85,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,485.57 : 335,228.34 = 57,273.57 : x
  2. Step 2: Convert to fraction form
    223,485.57/335,228.34 = 57,273.57/x
  3. Step 3: Cross multiply
    223,485.57x = 335,228.34 × 57,273.57
  4. Step 4: Simplify right side
    223,485.57x = 19,199,723,796.97
  5. Step 5: Solve for x
    x = 19,199,723,796.97/223,485.57
  6. Step 6: Final answer
    x = 85,910.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.