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Finding the Fourth Proportional to 601,207.25, 901,909.22 and 285,557.54

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Solution

The fourth proportional to 601,207.25, 901,909.22 and 285,557.54 is: 428,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,207.25 : 901,909.22 = 285,557.54 : x
  2. Step 2: Convert to fraction form
    601,207.25/901,909.22 = 285,557.54/x
  3. Step 3: Cross multiply
    601,207.25x = 901,909.22 × 285,557.54
  4. Step 4: Simplify right side
    601,207.25x = 257,546,972,229.19
  5. Step 5: Solve for x
    x = 257,546,972,229.19/601,207.25
  6. Step 6: Final answer
    x = 428,383.01

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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.