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Finding the Fourth Proportional to 539,499.40, 809,172.30 and 184,529.80

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Solution

The fourth proportional to 539,499.40, 809,172.30 and 184,529.80 is: 276,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,499.40 : 809,172.30 = 184,529.80 : x
  2. Step 2: Convert to fraction form
    539,499.40/809,172.30 = 184,529.80/x
  3. Step 3: Cross multiply
    539,499.40x = 809,172.30 × 184,529.80
  4. Step 4: Simplify right side
    539,499.40x = 149,316,402,684.54
  5. Step 5: Solve for x
    x = 149,316,402,684.54/539,499.40
  6. Step 6: Final answer
    x = 276,768.43

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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.