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Finding the Fourth Proportional to 580,144.55, 800,605.62 and 322,026.30

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Solution

The fourth proportional to 580,144.55, 800,605.62 and 322,026.30 is: 444,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,144.55 : 800,605.62 = 322,026.30 : x
  2. Step 2: Convert to fraction form
    580,144.55/800,605.62 = 322,026.30/x
  3. Step 3: Cross multiply
    580,144.55x = 800,605.62 × 322,026.30
  4. Step 4: Simplify right side
    580,144.55x = 257,816,065,567.81
  5. Step 5: Solve for x
    x = 257,816,065,567.81/580,144.55
  6. Step 6: Final answer
    x = 444,399.71

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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.