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Finding the Fourth Proportional to 630,236.62, 944,912.06 and 230,825.50

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Solution

The fourth proportional to 630,236.62, 944,912.06 and 230,825.50 is: 346,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,236.62 : 944,912.06 = 230,825.50 : x
  2. Step 2: Convert to fraction form
    630,236.62/944,912.06 = 230,825.50/x
  3. Step 3: Cross multiply
    630,236.62x = 944,912.06 × 230,825.50
  4. Step 4: Simplify right side
    630,236.62x = 218,109,798,705.53
  5. Step 5: Solve for x
    x = 218,109,798,705.53/630,236.62
  6. Step 6: Final answer
    x = 346,076.05

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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.