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Finding the Fourth Proportional to 355,950.20, 491,211.46 and 194,805.16

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Solution

The fourth proportional to 355,950.20, 491,211.46 and 194,805.16 is: 268,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,950.20 : 491,211.46 = 194,805.16 : x
  2. Step 2: Convert to fraction form
    355,950.20/491,211.46 = 194,805.16/x
  3. Step 3: Cross multiply
    355,950.20x = 491,211.46 × 194,805.16
  4. Step 4: Simplify right side
    355,950.20x = 95,690,527,059.13
  5. Step 5: Solve for x
    x = 95,690,527,059.13/355,950.20
  6. Step 6: Final answer
    x = 268,831.22

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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.