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Finding the Fourth Proportional to 358,325.67, 494,483.15 and 194,976.66

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Solution

The fourth proportional to 358,325.67, 494,483.15 and 194,976.66 is: 269,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,325.67 : 494,483.15 = 194,976.66 : x
  2. Step 2: Convert to fraction form
    358,325.67/494,483.15 = 194,976.66/x
  3. Step 3: Cross multiply
    358,325.67x = 494,483.15 × 194,976.66
  4. Step 4: Simplify right side
    358,325.67x = 96,412,673,500.72
  5. Step 5: Solve for x
    x = 96,412,673,500.72/358,325.67
  6. Step 6: Final answer
    x = 269,064.38

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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.