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Finding the Fourth Proportional to 338,939.74, 468,355.68 and 246,898.78

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Solution

The fourth proportional to 338,939.74, 468,355.68 and 246,898.78 is: 341,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,939.74 : 468,355.68 = 246,898.78 : x
  2. Step 2: Convert to fraction form
    338,939.74/468,355.68 = 246,898.78/x
  3. Step 3: Cross multiply
    338,939.74x = 468,355.68 × 246,898.78
  4. Step 4: Simplify right side
    338,939.74x = 115,636,445,998.07
  5. Step 5: Solve for x
    x = 115,636,445,998.07/338,939.74
  6. Step 6: Final answer
    x = 341,171.11

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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.