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Finding the Fourth Proportional to 277,918.66, 383,379.83 and 169,056.28

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Solution

The fourth proportional to 277,918.66, 383,379.83 and 169,056.28 is: 233,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,918.66 : 383,379.83 = 169,056.28 : x
  2. Step 2: Convert to fraction form
    277,918.66/383,379.83 = 169,056.28/x
  3. Step 3: Cross multiply
    277,918.66x = 383,379.83 × 169,056.28
  4. Step 4: Simplify right side
    277,918.66x = 64,812,765,969.93
  5. Step 5: Solve for x
    x = 64,812,765,969.93/277,918.66
  6. Step 6: Final answer
    x = 233,207.68

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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.