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Finding the Fourth Proportional to 250,477.48, 345,990.20 and 186,704.56

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Solution

The fourth proportional to 250,477.48, 345,990.20 and 186,704.56 is: 257,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,477.48 : 345,990.20 = 186,704.56 : x
  2. Step 2: Convert to fraction form
    250,477.48/345,990.20 = 186,704.56/x
  3. Step 3: Cross multiply
    250,477.48x = 345,990.20 × 186,704.56
  4. Step 4: Simplify right side
    250,477.48x = 64,597,948,055.31
  5. Step 5: Solve for x
    x = 64,597,948,055.31/250,477.48
  6. Step 6: Final answer
    x = 257,899.23

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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.