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Finding the Fourth Proportional to 355,996.77, 491,273.75 and 192,653.15

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Solution

The fourth proportional to 355,996.77, 491,273.75 and 192,653.15 is: 265,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,996.77 : 491,273.75 = 192,653.15 : x
  2. Step 2: Convert to fraction form
    355,996.77/491,273.75 = 192,653.15/x
  3. Step 3: Cross multiply
    355,996.77x = 491,273.75 × 192,653.15
  4. Step 4: Simplify right side
    355,996.77x = 94,645,434,486.55
  5. Step 5: Solve for x
    x = 94,645,434,486.55/355,996.77
  6. Step 6: Final answer
    x = 265,860.37

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1.5x scale

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.