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Finding the Fourth Proportional to 341,238.78, 511,956.54 and 104,616.36

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Solution

The fourth proportional to 341,238.78, 511,956.54 and 104,616.36 is: 156,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,238.78 : 511,956.54 = 104,616.36 : x
  2. Step 2: Convert to fraction form
    341,238.78/511,956.54 = 104,616.36/x
  3. Step 3: Cross multiply
    341,238.78x = 511,956.54 × 104,616.36
  4. Step 4: Simplify right side
    341,238.78x = 53,559,029,692.99
  5. Step 5: Solve for x
    x = 53,559,029,692.99/341,238.78
  6. Step 6: Final answer
    x = 156,954.70

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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.