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Finding the Fourth Proportional to 580,362.12, 800,947.53 and 322,255.08

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Solution

The fourth proportional to 580,362.12, 800,947.53 and 322,255.08 is: 444,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,362.12 : 800,947.53 = 322,255.08 : x
  2. Step 2: Convert to fraction form
    580,362.12/800,947.53 = 322,255.08/x
  3. Step 3: Cross multiply
    580,362.12x = 800,947.53 × 322,255.08
  4. Step 4: Simplify right side
    580,362.12x = 258,109,410,355.95
  5. Step 5: Solve for x
    x = 258,109,410,355.95/580,362.12
  6. Step 6: Final answer
    x = 444,738.55

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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.