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Finding the Fourth Proportional to 372,919.86, 514,666.58 and 227,717.64

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Solution

The fourth proportional to 372,919.86, 514,666.58 and 227,717.64 is: 314,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,919.86 : 514,666.58 = 227,717.64 : x
  2. Step 2: Convert to fraction form
    372,919.86/514,666.58 = 227,717.64/x
  3. Step 3: Cross multiply
    372,919.86x = 514,666.58 × 227,717.64
  4. Step 4: Simplify right side
    372,919.86x = 117,198,657,845.88
  5. Step 5: Solve for x
    x = 117,198,657,845.88/372,919.86
  6. Step 6: Final answer
    x = 314,273.04

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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.