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Finding the Fourth Proportional to 559,185.02, 838,174.16 and 274,544.54

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Solution

The fourth proportional to 559,185.02, 838,174.16 and 274,544.54 is: 411,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,185.02 : 838,174.16 = 274,544.54 : x
  2. Step 2: Convert to fraction form
    559,185.02/838,174.16 = 274,544.54/x
  3. Step 3: Cross multiply
    559,185.02x = 838,174.16 × 274,544.54
  4. Step 4: Simplify right side
    559,185.02x = 230,116,135,692.58
  5. Step 5: Solve for x
    x = 230,116,135,692.58/559,185.02
  6. Step 6: Final answer
    x = 411,520.57

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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.