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Finding the Fourth Proportional to 273,883.20, 411,213.60 and 168,907.20

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Solution

The fourth proportional to 273,883.20, 411,213.60 and 168,907.20 is: 253,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,883.20 : 411,213.60 = 168,907.20 : x
  2. Step 2: Convert to fraction form
    273,883.20/411,213.60 = 168,907.20/x
  3. Step 3: Cross multiply
    273,883.20x = 411,213.60 × 168,907.20
  4. Step 4: Simplify right side
    273,883.20x = 69,456,937,777.92
  5. Step 5: Solve for x
    x = 69,456,937,777.92/273,883.20
  6. Step 6: Final answer
    x = 253,600.58

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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.