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Finding the Fourth Proportional to 295,718.43, 408,081.67 and 186,880.93

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Solution

The fourth proportional to 295,718.43, 408,081.67 and 186,880.93 is: 257,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,718.43 : 408,081.67 = 186,880.93 : x
  2. Step 2: Convert to fraction form
    295,718.43/408,081.67 = 186,880.93/x
  3. Step 3: Cross multiply
    295,718.43x = 408,081.67 × 186,880.93
  4. Step 4: Simplify right side
    295,718.43x = 76,262,682,005.55
  5. Step 5: Solve for x
    x = 76,262,682,005.55/295,718.43
  6. Step 6: Final answer
    x = 257,889.51

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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.