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Finding the Fourth Proportional to 273,579.40, 410,628.30 and 168,603.40

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Solution

The fourth proportional to 273,579.40, 410,628.30 and 168,603.40 is: 253,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,579.40 : 410,628.30 = 168,603.40 : x
  2. Step 2: Convert to fraction form
    273,579.40/410,628.30 = 168,603.40/x
  3. Step 3: Cross multiply
    273,579.40x = 410,628.30 × 168,603.40
  4. Step 4: Simplify right side
    273,579.40x = 69,233,327,516.22
  5. Step 5: Solve for x
    x = 69,233,327,516.22/273,579.40
  6. Step 6: Final answer
    x = 253,064.84

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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.