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Finding the Fourth Proportional to 467,134.41, 644,645.45 and 252,274.45

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Solution

The fourth proportional to 467,134.41, 644,645.45 and 252,274.45 is: 348,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,134.41 : 644,645.45 = 252,274.45 : x
  2. Step 2: Convert to fraction form
    467,134.41/644,645.45 = 252,274.45/x
  3. Step 3: Cross multiply
    467,134.41x = 644,645.45 × 252,274.45
  4. Step 4: Simplify right side
    467,134.41x = 162,627,576,343.75
  5. Step 5: Solve for x
    x = 162,627,576,343.75/467,134.41
  6. Step 6: Final answer
    x = 348,138.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.