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Finding the Fourth Proportional to 312,222.37, 468,520.38 and 134,729.38

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Solution

The fourth proportional to 312,222.37, 468,520.38 and 134,729.38 is: 202,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,222.37 : 468,520.38 = 134,729.38 : x
  2. Step 2: Convert to fraction form
    312,222.37/468,520.38 = 134,729.38/x
  3. Step 3: Cross multiply
    312,222.37x = 468,520.38 × 134,729.38
  4. Step 4: Simplify right side
    312,222.37x = 63,123,460,314.76
  5. Step 5: Solve for x
    x = 63,123,460,314.76/312,222.37
  6. Step 6: Final answer
    x = 202,174.69

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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.