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Finding the Fourth Proportional to 431,355.55, 595,273.02 and 250,174.92

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Solution

The fourth proportional to 431,355.55, 595,273.02 and 250,174.92 is: 345,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,355.55 : 595,273.02 = 250,174.92 : x
  2. Step 2: Convert to fraction form
    431,355.55/595,273.02 = 250,174.92/x
  3. Step 3: Cross multiply
    431,355.55x = 595,273.02 × 250,174.92
  4. Step 4: Simplify right side
    431,355.55x = 148,922,380,156.66
  5. Step 5: Solve for x
    x = 148,922,380,156.66/431,355.55
  6. Step 6: Final answer
    x = 345,242.76

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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.