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Finding the Fourth Proportional to 358,600.77, 494,859.38 and 205,664.67

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Solution

The fourth proportional to 358,600.77, 494,859.38 and 205,664.67 is: 283,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,600.77 : 494,859.38 = 205,664.67 : x
  2. Step 2: Convert to fraction form
    358,600.77/494,859.38 = 205,664.67/x
  3. Step 3: Cross multiply
    358,600.77x = 494,859.38 × 205,664.67
  4. Step 4: Simplify right side
    358,600.77x = 101,775,090,055.78
  5. Step 5: Solve for x
    x = 101,775,090,055.78/358,600.77
  6. Step 6: Final answer
    x = 283,811.69

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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.