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Finding the Fourth Proportional to 431,183.05, 595,032.58 and 250,000.22

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Solution

The fourth proportional to 431,183.05, 595,032.58 and 250,000.22 is: 345,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,183.05 : 595,032.58 = 250,000.22 : x
  2. Step 2: Convert to fraction form
    431,183.05/595,032.58 = 250,000.22/x
  3. Step 3: Cross multiply
    431,183.05x = 595,032.58 × 250,000.22
  4. Step 4: Simplify right side
    431,183.05x = 148,758,277,707.25
  5. Step 5: Solve for x
    x = 148,758,277,707.25/431,183.05
  6. Step 6: Final answer
    x = 345,000.29

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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.