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Finding the Fourth Proportional to 332,961, 499,441.98 and 135,969

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Solution

The fourth proportional to 332,961, 499,441.98 and 135,969 is: 203,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,961 : 499,441.98 = 135,969 : x
  2. Step 2: Convert to fraction form
    332,961/499,441.98 = 135,969/x
  3. Step 3: Cross multiply
    332,961x = 499,441.98 × 135,969
  4. Step 4: Simplify right side
    332,961x = 67,908,626,578.62
  5. Step 5: Solve for x
    x = 67,908,626,578.62/332,961
  6. Step 6: Final answer
    x = 203,953.70

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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.