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Finding the Fourth Proportional to 580,434.12, 800,975.97 and 322,324.38

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Solution

The fourth proportional to 580,434.12, 800,975.97 and 322,324.38 is: 444,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,434.12 : 800,975.97 = 322,324.38 : x
  2. Step 2: Convert to fraction form
    580,434.12/800,975.97 = 322,324.38/x
  3. Step 3: Cross multiply
    580,434.12x = 800,975.97 × 322,324.38
  4. Step 4: Simplify right side
    580,434.12x = 258,174,082,925.15
  5. Step 5: Solve for x
    x = 258,174,082,925.15/580,434.12
  6. Step 6: Final answer
    x = 444,794.81

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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.