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Finding the Fourth Proportional to 273,804.40, 410,965.80 and 168,828.40

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Solution

The fourth proportional to 273,804.40, 410,965.80 and 168,828.40 is: 253,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,804.40 : 410,965.80 = 168,828.40 : x
  2. Step 2: Convert to fraction form
    273,804.40/410,965.80 = 168,828.40/x
  3. Step 3: Cross multiply
    273,804.40x = 410,965.80 × 168,828.40
  4. Step 4: Simplify right side
    273,804.40x = 69,382,698,468.72
  5. Step 5: Solve for x
    x = 69,382,698,468.72/273,804.40
  6. Step 6: Final answer
    x = 253,402.42

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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.