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Finding the Fourth Proportional to 250,579.44, 345,817.08 and 137,409.48

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Solution

The fourth proportional to 250,579.44, 345,817.08 and 137,409.48 is: 189,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,579.44 : 345,817.08 = 137,409.48 : x
  2. Step 2: Convert to fraction form
    250,579.44/345,817.08 = 137,409.48/x
  3. Step 3: Cross multiply
    250,579.44x = 345,817.08 × 137,409.48
  4. Step 4: Simplify right side
    250,579.44x = 47,518,545,137.92
  5. Step 5: Solve for x
    x = 47,518,545,137.92/250,579.44
  6. Step 6: Final answer
    x = 189,634.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.