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Finding the Fourth Proportional to 273,880.40, 410,820.60 and 168,357.20

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Solution

The fourth proportional to 273,880.40, 410,820.60 and 168,357.20 is: 252,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,880.40 : 410,820.60 = 168,357.20 : x
  2. Step 2: Convert to fraction form
    273,880.40/410,820.60 = 168,357.20/x
  3. Step 3: Cross multiply
    273,880.40x = 410,820.60 × 168,357.20
  4. Step 4: Simplify right side
    273,880.40x = 69,164,605,918.32
  5. Step 5: Solve for x
    x = 69,164,605,918.32/273,880.40
  6. Step 6: Final answer
    x = 252,535.80

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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.