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Finding the Fourth Proportional to 265,178.94, 397,768.40 and 218,333.40

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Solution

The fourth proportional to 265,178.94, 397,768.40 and 218,333.40 is: 327,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,178.94 : 397,768.40 = 218,333.40 : x
  2. Step 2: Convert to fraction form
    265,178.94/397,768.40 = 218,333.40/x
  3. Step 3: Cross multiply
    265,178.94x = 397,768.40 × 218,333.40
  4. Step 4: Simplify right side
    265,178.94x = 86,846,127,184.56
  5. Step 5: Solve for x
    x = 86,846,127,184.56/265,178.94
  6. Step 6: Final answer
    x = 327,500.09

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1.5x scale

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.