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Finding the Fourth Proportional to 355,875.68, 491,119.46 and 194,737.52

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Solution

The fourth proportional to 355,875.68, 491,119.46 and 194,737.52 is: 268,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,875.68 : 491,119.46 = 194,737.52 : x
  2. Step 2: Convert to fraction form
    355,875.68/491,119.46 = 194,737.52/x
  3. Step 3: Cross multiply
    355,875.68x = 491,119.46 × 194,737.52
  4. Step 4: Simplify right side
    355,875.68x = 95,639,382,234.85
  5. Step 5: Solve for x
    x = 95,639,382,234.85/355,875.68
  6. Step 6: Final answer
    x = 268,743.80

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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.