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Finding the Fourth Proportional to 846,338.40, 1,269,501.84 and 215,244

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Solution

The fourth proportional to 846,338.40, 1,269,501.84 and 215,244 is: 322,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,338.40 : 1,269,501.84 = 215,244 : x
  2. Step 2: Convert to fraction form
    846,338.40/1,269,501.84 = 215,244/x
  3. Step 3: Cross multiply
    846,338.40x = 1,269,501.84 × 215,244
  4. Step 4: Simplify right side
    846,338.40x = 273,252,654,048.96
  5. Step 5: Solve for x
    x = 273,252,654,048.96/846,338.40
  6. Step 6: Final answer
    x = 322,864.54

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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.