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Finding the Fourth Proportional to 332,912.70, 499,369.05 and 133,328.70

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Solution

The fourth proportional to 332,912.70, 499,369.05 and 133,328.70 is: 199,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,912.70 : 499,369.05 = 133,328.70 : x
  2. Step 2: Convert to fraction form
    332,912.70/499,369.05 = 133,328.70/x
  3. Step 3: Cross multiply
    332,912.70x = 499,369.05 × 133,328.70
  4. Step 4: Simplify right side
    332,912.70x = 66,580,226,256.74
  5. Step 5: Solve for x
    x = 66,580,226,256.74/332,912.70
  6. Step 6: Final answer
    x = 199,993.05

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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.