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Finding the Fourth Proportional to 332,548.79, 455,593.52 and 320,094.97

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Solution

The fourth proportional to 332,548.79, 455,593.52 and 320,094.97 is: 438,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,548.79 : 455,593.52 = 320,094.97 : x
  2. Step 2: Convert to fraction form
    332,548.79/455,593.52 = 320,094.97/x
  3. Step 3: Cross multiply
    332,548.79x = 455,593.52 × 320,094.97
  4. Step 4: Simplify right side
    332,548.79x = 145,833,193,777.85
  5. Step 5: Solve for x
    x = 145,833,193,777.85/332,548.79
  6. Step 6: Final answer
    x = 438,531.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.