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Finding the Fourth Proportional to 533,650.32, 800,416.32 and 134,291.20

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Solution

The fourth proportional to 533,650.32, 800,416.32 and 134,291.20 is: 201,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,650.32 : 800,416.32 = 134,291.20 : x
  2. Step 2: Convert to fraction form
    533,650.32/800,416.32 = 134,291.20/x
  3. Step 3: Cross multiply
    533,650.32x = 800,416.32 × 134,291.20
  4. Step 4: Simplify right side
    533,650.32x = 107,488,868,112.38
  5. Step 5: Solve for x
    x = 107,488,868,112.38/533,650.32
  6. Step 6: Final answer
    x = 201,421.91

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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.