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Finding the Fourth Proportional to 433,692.86, 650,572.20 and 134,203.72

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Solution

The fourth proportional to 433,692.86, 650,572.20 and 134,203.72 is: 201,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,692.86 : 650,572.20 = 134,203.72 : x
  2. Step 2: Convert to fraction form
    433,692.86/650,572.20 = 134,203.72/x
  3. Step 3: Cross multiply
    433,692.86x = 650,572.20 × 134,203.72
  4. Step 4: Simplify right side
    433,692.86x = 87,309,209,368.58
  5. Step 5: Solve for x
    x = 87,309,209,368.58/433,692.86
  6. Step 6: Final answer
    x = 201,315.76

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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.