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Finding the Fourth Proportional to 358,601.77, 494,860.75 and 205,665.67

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Solution

The fourth proportional to 358,601.77, 494,860.75 and 205,665.67 is: 283,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,601.77 : 494,860.75 = 205,665.67 : x
  2. Step 2: Convert to fraction form
    358,601.77/494,860.75 = 205,665.67/x
  3. Step 3: Cross multiply
    358,601.77x = 494,860.75 × 205,665.67
  4. Step 4: Simplify right side
    358,601.77x = 101,775,867,705.45
  5. Step 5: Solve for x
    x = 101,775,867,705.45/358,601.77
  6. Step 6: Final answer
    x = 283,813.07

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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.