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Finding the Fourth Proportional to 539,810.60, 809,173.96 and 184,581.64

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Solution

The fourth proportional to 539,810.60, 809,173.96 and 184,581.64 is: 276,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,810.60 : 809,173.96 = 184,581.64 : x
  2. Step 2: Convert to fraction form
    539,810.60/809,173.96 = 184,581.64/x
  3. Step 3: Cross multiply
    539,810.60x = 809,173.96 × 184,581.64
  4. Step 4: Simplify right side
    539,810.60x = 149,358,656,582.09
  5. Step 5: Solve for x
    x = 149,358,656,582.09/539,810.60
  6. Step 6: Final answer
    x = 276,687.15

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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.