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Finding the Fourth Proportional to 431,174.90, 595,039.29 and 240,188.24

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Solution

The fourth proportional to 431,174.90, 595,039.29 and 240,188.24 is: 331,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,174.90 : 595,039.29 = 240,188.24 : x
  2. Step 2: Convert to fraction form
    431,174.90/595,039.29 = 240,188.24/x
  3. Step 3: Cross multiply
    431,174.90x = 595,039.29 × 240,188.24
  4. Step 4: Simplify right side
    431,174.90x = 142,921,439,795.95
  5. Step 5: Solve for x
    x = 142,921,439,795.95/431,174.90
  6. Step 6: Final answer
    x = 331,469.76

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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.