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Finding the Fourth Proportional to 358,575.66, 494,766.83 and 222,642.68

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Solution

The fourth proportional to 358,575.66, 494,766.83 and 222,642.68 is: 307,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,575.66 : 494,766.83 = 222,642.68 : x
  2. Step 2: Convert to fraction form
    358,575.66/494,766.83 = 222,642.68/x
  3. Step 3: Cross multiply
    358,575.66x = 494,766.83 × 222,642.68
  4. Step 4: Simplify right side
    358,575.66x = 110,156,211,089.08
  5. Step 5: Solve for x
    x = 110,156,211,089.08/358,575.66
  6. Step 6: Final answer
    x = 307,204.93

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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.