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Finding the Fourth Proportional to 3,856,168.88, 5,784,273.88 and 1,160,475.64

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Solution

The fourth proportional to 3,856,168.88, 5,784,273.88 and 1,160,475.64 is: 1,740,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,168.88 : 5,784,273.88 = 1,160,475.64 : x
  2. Step 2: Convert to fraction form
    3,856,168.88/5,784,273.88 = 1,160,475.64/x
  3. Step 3: Cross multiply
    3,856,168.88x = 5,784,273.88 × 1,160,475.64
  4. Step 4: Simplify right side
    3,856,168.88x = 6,712,508,932,828.28
  5. Step 5: Solve for x
    x = 6,712,508,932,828.28/3,856,168.88
  6. Step 6: Final answer
    x = 1,740,719.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.