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Finding the Fourth Proportional to 355,989.77, 491,264.06 and 192,646.14

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Solution

The fourth proportional to 355,989.77, 491,264.06 and 192,646.14 is: 265,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,989.77 : 491,264.06 = 192,646.14 : x
  2. Step 2: Convert to fraction form
    355,989.77/491,264.06 = 192,646.14/x
  3. Step 3: Cross multiply
    355,989.77x = 491,264.06 × 192,646.14
  4. Step 4: Simplify right side
    355,989.77x = 94,640,123,916.50
  5. Step 5: Solve for x
    x = 94,640,123,916.50/355,989.77
  6. Step 6: Final answer
    x = 265,850.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.