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Finding the Fourth Proportional to 298,752.48, 412,273.13 and 162,787.37

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Solution

The fourth proportional to 298,752.48, 412,273.13 and 162,787.37 is: 224,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,752.48 : 412,273.13 = 162,787.37 : x
  2. Step 2: Convert to fraction form
    298,752.48/412,273.13 = 162,787.37/x
  3. Step 3: Cross multiply
    298,752.48x = 412,273.13 × 162,787.37
  4. Step 4: Simplify right side
    298,752.48x = 67,112,855,679.07
  5. Step 5: Solve for x
    x = 67,112,855,679.07/298,752.48
  6. Step 6: Final answer
    x = 224,643.68

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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.