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Finding the Fourth Proportional to 604,650.30, 906,975.45 and 220,427.98

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Solution

The fourth proportional to 604,650.30, 906,975.45 and 220,427.98 is: 330,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,650.30 : 906,975.45 = 220,427.98 : x
  2. Step 2: Convert to fraction form
    604,650.30/906,975.45 = 220,427.98/x
  3. Step 3: Cross multiply
    604,650.30x = 906,975.45 × 220,427.98
  4. Step 4: Simplify right side
    604,650.30x = 199,922,766,353.09
  5. Step 5: Solve for x
    x = 199,922,766,353.09/604,650.30
  6. Step 6: Final answer
    x = 330,641.97

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Similar ratio
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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.