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Finding the Fourth Proportional to 354,141.27, 488,700.75 and 192,992.85

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Solution

The fourth proportional to 354,141.27, 488,700.75 and 192,992.85 is: 266,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,141.27 : 488,700.75 = 192,992.85 : x
  2. Step 2: Convert to fraction form
    354,141.27/488,700.75 = 192,992.85/x
  3. Step 3: Cross multiply
    354,141.27x = 488,700.75 × 192,992.85
  4. Step 4: Simplify right side
    354,141.27x = 94,315,750,539.64
  5. Step 5: Solve for x
    x = 94,315,750,539.64/354,141.27
  6. Step 6: Final answer
    x = 266,322.39

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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.