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Finding the Fourth Proportional to 218,835.60, 328,296.60 and 184,016.40

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Solution

The fourth proportional to 218,835.60, 328,296.60 and 184,016.40 is: 276,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,835.60 : 328,296.60 = 184,016.40 : x
  2. Step 2: Convert to fraction form
    218,835.60/328,296.60 = 184,016.40/x
  3. Step 3: Cross multiply
    218,835.60x = 328,296.60 × 184,016.40
  4. Step 4: Simplify right side
    218,835.60x = 60,411,958,464.24
  5. Step 5: Solve for x
    x = 60,411,958,464.24/218,835.60
  6. Step 6: Final answer
    x = 276,060.93

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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.