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Finding the Fourth Proportional to 384,050.88, 529,905.36 and 222,812.48

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Solution

The fourth proportional to 384,050.88, 529,905.36 and 222,812.48 is: 307,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,050.88 : 529,905.36 = 222,812.48 : x
  2. Step 2: Convert to fraction form
    384,050.88/529,905.36 = 222,812.48/x
  3. Step 3: Cross multiply
    384,050.88x = 529,905.36 × 222,812.48
  4. Step 4: Simplify right side
    384,050.88x = 118,069,527,426.89
  5. Step 5: Solve for x
    x = 118,069,527,426.89/384,050.88
  6. Step 6: Final answer
    x = 307,431.99

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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.