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Finding the Fourth Proportional to 371,125.69, 556,651.61 and 171,443.22

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Solution

The fourth proportional to 371,125.69, 556,651.61 and 171,443.22 is: 257,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,125.69 : 556,651.61 = 171,443.22 : x
  2. Step 2: Convert to fraction form
    371,125.69/556,651.61 = 171,443.22/x
  3. Step 3: Cross multiply
    371,125.69x = 556,651.61 × 171,443.22
  4. Step 4: Simplify right side
    371,125.69x = 95,434,144,436.58
  5. Step 5: Solve for x
    x = 95,434,144,436.58/371,125.69
  6. Step 6: Final answer
    x = 257,147.77

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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.