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Finding the Fourth Proportional to 882,783.78, 1,324,138.41 and 251,696.58

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Solution

The fourth proportional to 882,783.78, 1,324,138.41 and 251,696.58 is: 377,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,783.78 : 1,324,138.41 = 251,696.58 : x
  2. Step 2: Convert to fraction form
    882,783.78/1,324,138.41 = 251,696.58/x
  3. Step 3: Cross multiply
    882,783.78x = 1,324,138.41 × 251,696.58
  4. Step 4: Simplify right side
    882,783.78x = 333,281,109,243.64
  5. Step 5: Solve for x
    x = 333,281,109,243.64/882,783.78
  6. Step 6: Final answer
    x = 377,534.25

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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.