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Finding the Fourth Proportional to 331,435.84, 496,961.76 and 226,381.76

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Solution

The fourth proportional to 331,435.84, 496,961.76 and 226,381.76 is: 339,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,435.84 : 496,961.76 = 226,381.76 : x
  2. Step 2: Convert to fraction form
    331,435.84/496,961.76 = 226,381.76/x
  3. Step 3: Cross multiply
    331,435.84x = 496,961.76 × 226,381.76
  4. Step 4: Simplify right side
    331,435.84x = 112,503,077,881.50
  5. Step 5: Solve for x
    x = 112,503,077,881.50/331,435.84
  6. Step 6: Final answer
    x = 339,441.50

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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.