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Finding the Fourth Proportional to 371,388.52, 556,992.98 and 171,516.68

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Solution

The fourth proportional to 371,388.52, 556,992.98 and 171,516.68 is: 257,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,388.52 : 556,992.98 = 171,516.68 : x
  2. Step 2: Convert to fraction form
    371,388.52/556,992.98 = 171,516.68/x
  3. Step 3: Cross multiply
    371,388.52x = 556,992.98 × 171,516.68
  4. Step 4: Simplify right side
    371,388.52x = 95,533,586,712.91
  5. Step 5: Solve for x
    x = 95,533,586,712.91/371,388.52
  6. Step 6: Final answer
    x = 257,233.55

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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.