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Finding the Fourth Proportional to 386,994.71, 580,268.57 and 150,060.59

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Solution

The fourth proportional to 386,994.71, 580,268.57 and 150,060.59 is: 225,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,994.71 : 580,268.57 = 150,060.59 : x
  2. Step 2: Convert to fraction form
    386,994.71/580,268.57 = 150,060.59/x
  3. Step 3: Cross multiply
    386,994.71x = 580,268.57 × 150,060.59
  4. Step 4: Simplify right side
    386,994.71x = 87,075,440,321.01
  5. Step 5: Solve for x
    x = 87,075,440,321.01/386,994.71
  6. Step 6: Final answer
    x = 225,004.22

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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.