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Finding the Fourth Proportional to 331,123.20, 496,684.80 and 241,958.40

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Solution

The fourth proportional to 331,123.20, 496,684.80 and 241,958.40 is: 362,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,123.20 : 496,684.80 = 241,958.40 : x
  2. Step 2: Convert to fraction form
    331,123.20/496,684.80 = 241,958.40/x
  3. Step 3: Cross multiply
    331,123.20x = 496,684.80 × 241,958.40
  4. Step 4: Simplify right side
    331,123.20x = 120,177,059,512.32
  5. Step 5: Solve for x
    x = 120,177,059,512.32/331,123.20
  6. Step 6: Final answer
    x = 362,937.60

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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.