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Finding the Fourth Proportional to 304,847.40, 457,530.30 and 136,626.60

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Solution

The fourth proportional to 304,847.40, 457,530.30 and 136,626.60 is: 205,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,847.40 : 457,530.30 = 136,626.60 : x
  2. Step 2: Convert to fraction form
    304,847.40/457,530.30 = 136,626.60/x
  3. Step 3: Cross multiply
    304,847.40x = 457,530.30 × 136,626.60
  4. Step 4: Simplify right side
    304,847.40x = 62,510,809,285.98
  5. Step 5: Solve for x
    x = 62,510,809,285.98/304,847.40
  6. Step 6: Final answer
    x = 205,056.07

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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.