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Finding the Fourth Proportional to 580,155.21, 800,601.57 and 322,016.94

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Solution

The fourth proportional to 580,155.21, 800,601.57 and 322,016.94 is: 444,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,155.21 : 800,601.57 = 322,016.94 : x
  2. Step 2: Convert to fraction form
    580,155.21/800,601.57 = 322,016.94/x
  3. Step 3: Cross multiply
    580,155.21x = 800,601.57 × 322,016.94
  4. Step 4: Simplify right side
    580,155.21x = 257,807,267,730.60
  5. Step 5: Solve for x
    x = 257,807,267,730.60/580,155.21
  6. Step 6: Final answer
    x = 444,376.37

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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.