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Finding the Fourth Proportional to 665,870.94, 998,835.58 and 192,604.14

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Solution

The fourth proportional to 665,870.94, 998,835.58 and 192,604.14 is: 288,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,870.94 : 998,835.58 = 192,604.14 : x
  2. Step 2: Convert to fraction form
    665,870.94/998,835.58 = 192,604.14/x
  3. Step 3: Cross multiply
    665,870.94x = 998,835.58 × 192,604.14
  4. Step 4: Simplify right side
    665,870.94x = 192,379,867,887.30
  5. Step 5: Solve for x
    x = 192,379,867,887.30/665,870.94
  6. Step 6: Final answer
    x = 288,914.65

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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.