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Finding the Fourth Proportional to 424,648.44, 585,947.96 and 243,325.48

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Solution

The fourth proportional to 424,648.44, 585,947.96 and 243,325.48 is: 335,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,648.44 : 585,947.96 = 243,325.48 : x
  2. Step 2: Convert to fraction form
    424,648.44/585,947.96 = 243,325.48/x
  3. Step 3: Cross multiply
    424,648.44x = 585,947.96 × 243,325.48
  4. Step 4: Simplify right side
    424,648.44x = 142,576,068,622.02
  5. Step 5: Solve for x
    x = 142,576,068,622.02/424,648.44
  6. Step 6: Final answer
    x = 335,750.84

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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.