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Finding the Fourth Proportional to 346,886.80, 519,984.60 and 159,571.60

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Solution

The fourth proportional to 346,886.80, 519,984.60 and 159,571.60 is: 239,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,886.80 : 519,984.60 = 159,571.60 : x
  2. Step 2: Convert to fraction form
    346,886.80/519,984.60 = 159,571.60/x
  3. Step 3: Cross multiply
    346,886.80x = 519,984.60 × 159,571.60
  4. Step 4: Simplify right side
    346,886.80x = 82,974,774,597.36
  5. Step 5: Solve for x
    x = 82,974,774,597.36/346,886.80
  6. Step 6: Final answer
    x = 239,198.42

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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.