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Finding the Fourth Proportional to 331,497.60, 496,857.60 and 173,644.80

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Solution

The fourth proportional to 331,497.60, 496,857.60 and 173,644.80 is: 260,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,497.60 : 496,857.60 = 173,644.80 : x
  2. Step 2: Convert to fraction form
    331,497.60/496,857.60 = 173,644.80/x
  3. Step 3: Cross multiply
    331,497.60x = 496,857.60 × 173,644.80
  4. Step 4: Simplify right side
    331,497.60x = 86,276,738,580.48
  5. Step 5: Solve for x
    x = 86,276,738,580.48/331,497.60
  6. Step 6: Final answer
    x = 260,263.54

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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.