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Finding the Fourth Proportional to 362,668.42, 500,475.81 and 201,520.54

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Solution

The fourth proportional to 362,668.42, 500,475.81 and 201,520.54 is: 278,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,668.42 : 500,475.81 = 201,520.54 : x
  2. Step 2: Convert to fraction form
    362,668.42/500,475.81 = 201,520.54/x
  3. Step 3: Cross multiply
    362,668.42x = 500,475.81 × 201,520.54
  4. Step 4: Simplify right side
    362,668.42x = 100,856,155,488.14
  5. Step 5: Solve for x
    x = 100,856,155,488.14/362,668.42
  6. Step 6: Final answer
    x = 278,094.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.