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Finding the Fourth Proportional to 539,809.08, 809,171.73 and 184,580.16

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Solution

The fourth proportional to 539,809.08, 809,171.73 and 184,580.16 is: 276,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,809.08 : 809,171.73 = 184,580.16 : x
  2. Step 2: Convert to fraction form
    539,809.08/809,171.73 = 184,580.16/x
  3. Step 3: Cross multiply
    539,809.08x = 809,171.73 × 184,580.16
  4. Step 4: Simplify right side
    539,809.08x = 149,357,047,390.88
  5. Step 5: Solve for x
    x = 149,357,047,390.88/539,809.08
  6. Step 6: Final answer
    x = 276,684.95

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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.