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Finding the Fourth Proportional to 295,720.77, 408,084.92 and 186,883.27

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Solution

The fourth proportional to 295,720.77, 408,084.92 and 186,883.27 is: 257,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,720.77 : 408,084.92 = 186,883.27 : x
  2. Step 2: Convert to fraction form
    295,720.77/408,084.92 = 186,883.27/x
  3. Step 3: Cross multiply
    295,720.77x = 408,084.92 × 186,883.27
  4. Step 4: Simplify right side
    295,720.77x = 76,264,244,287.29
  5. Step 5: Solve for x
    x = 76,264,244,287.29/295,720.77
  6. Step 6: Final answer
    x = 257,892.76

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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.