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Finding the Fourth Proportional to 630,040.74, 944,891.56 and 230,683.60

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Solution

The fourth proportional to 630,040.74, 944,891.56 and 230,683.60 is: 345,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,040.74 : 944,891.56 = 230,683.60 : x
  2. Step 2: Convert to fraction form
    630,040.74/944,891.56 = 230,683.60/x
  3. Step 3: Cross multiply
    630,040.74x = 944,891.56 × 230,683.60
  4. Step 4: Simplify right side
    630,040.74x = 217,970,986,670.42
  5. Step 5: Solve for x
    x = 217,970,986,670.42/630,040.74
  6. Step 6: Final answer
    x = 345,963.32

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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.