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Finding the Fourth Proportional to 331,405.80, 496,598.40 and 246,768.90

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Solution

The fourth proportional to 331,405.80, 496,598.40 and 246,768.90 is: 369,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,405.80 : 496,598.40 = 246,768.90 : x
  2. Step 2: Convert to fraction form
    331,405.80/496,598.40 = 246,768.90/x
  3. Step 3: Cross multiply
    331,405.80x = 496,598.40 × 246,768.90
  4. Step 4: Simplify right side
    331,405.80x = 122,545,040,909.76
  5. Step 5: Solve for x
    x = 122,545,040,909.76/331,405.80
  6. Step 6: Final answer
    x = 369,773.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.