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Finding the Fourth Proportional to 386,975.98, 580,238.44 and 150,041.87

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Solution

The fourth proportional to 386,975.98, 580,238.44 and 150,041.87 is: 224,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,975.98 : 580,238.44 = 150,041.87 : x
  2. Step 2: Convert to fraction form
    386,975.98/580,238.44 = 150,041.87/x
  3. Step 3: Cross multiply
    386,975.98x = 580,238.44 × 150,041.87
  4. Step 4: Simplify right side
    386,975.98x = 87,060,059,483.08
  5. Step 5: Solve for x
    x = 87,060,059,483.08/386,975.98
  6. Step 6: Final answer
    x = 224,975.36

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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.