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Finding the Fourth Proportional to 539,421.70, 809,132.55 and 184,447.30

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Solution

The fourth proportional to 539,421.70, 809,132.55 and 184,447.30 is: 276,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,421.70 : 809,132.55 = 184,447.30 : x
  2. Step 2: Convert to fraction form
    539,421.70/809,132.55 = 184,447.30/x
  3. Step 3: Cross multiply
    539,421.70x = 809,132.55 × 184,447.30
  4. Step 4: Simplify right side
    539,421.70x = 149,242,314,189.62
  5. Step 5: Solve for x
    x = 149,242,314,189.62/539,421.70
  6. Step 6: Final answer
    x = 276,670.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.