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Finding the Fourth Proportional to 353,791.86, 530,692.40 and 101,080.59

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Solution

The fourth proportional to 353,791.86, 530,692.40 and 101,080.59 is: 151,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,791.86 : 530,692.40 = 101,080.59 : x
  2. Step 2: Convert to fraction form
    353,791.86/530,692.40 = 101,080.59/x
  3. Step 3: Cross multiply
    353,791.86x = 530,692.40 × 101,080.59
  4. Step 4: Simplify right side
    353,791.86x = 53,642,700,395.11
  5. Step 5: Solve for x
    x = 53,642,700,395.11/353,791.86
  6. Step 6: Final answer
    x = 151,622.20

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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.