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Finding the Fourth Proportional to 371,280.88, 556,832.11 and 171,409.24

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Solution

The fourth proportional to 371,280.88, 556,832.11 and 171,409.24 is: 257,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,280.88 : 556,832.11 = 171,409.24 : x
  2. Step 2: Convert to fraction form
    371,280.88/556,832.11 = 171,409.24/x
  3. Step 3: Cross multiply
    371,280.88x = 556,832.11 × 171,409.24
  4. Step 4: Simplify right side
    371,280.88x = 95,446,165,998.54
  5. Step 5: Solve for x
    x = 95,446,165,998.54/371,280.88
  6. Step 6: Final answer
    x = 257,072.67

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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.