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Finding the Fourth Proportional to 341,039.81, 511,418.96 and 116,418.35

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Solution

The fourth proportional to 341,039.81, 511,418.96 and 116,418.35 is: 174,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,039.81 : 511,418.96 = 116,418.35 : x
  2. Step 2: Convert to fraction form
    341,039.81/511,418.96 = 116,418.35/x
  3. Step 3: Cross multiply
    341,039.81x = 511,418.96 × 116,418.35
  4. Step 4: Simplify right side
    341,039.81x = 59,538,552,178.37
  5. Step 5: Solve for x
    x = 59,538,552,178.37/341,039.81
  6. Step 6: Final answer
    x = 174,579.48

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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.