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Finding the Fourth Proportional to 355,950.08, 491,211.30 and 194,805.03

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Solution

The fourth proportional to 355,950.08, 491,211.30 and 194,805.03 is: 268,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,950.08 : 491,211.30 = 194,805.03 : x
  2. Step 2: Convert to fraction form
    355,950.08/491,211.30 = 194,805.03/x
  3. Step 3: Cross multiply
    355,950.08x = 491,211.30 × 194,805.03
  4. Step 4: Simplify right side
    355,950.08x = 95,690,432,032.84
  5. Step 5: Solve for x
    x = 95,690,432,032.84/355,950.08
  6. Step 6: Final answer
    x = 268,831.05

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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.