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Finding the Fourth Proportional to 341,293.44, 511,905.60 and 92,000.64

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Solution

The fourth proportional to 341,293.44, 511,905.60 and 92,000.64 is: 137,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,293.44 : 511,905.60 = 92,000.64 : x
  2. Step 2: Convert to fraction form
    341,293.44/511,905.60 = 92,000.64/x
  3. Step 3: Cross multiply
    341,293.44x = 511,905.60 × 92,000.64
  4. Step 4: Simplify right side
    341,293.44x = 47,095,642,819.58
  5. Step 5: Solve for x
    x = 47,095,642,819.58/341,293.44
  6. Step 6: Final answer
    x = 137,991.64

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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.