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Finding the Fourth Proportional to 341,231.80, 511,886.10 and 104,572.60

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Solution

The fourth proportional to 341,231.80, 511,886.10 and 104,572.60 is: 156,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,231.80 : 511,886.10 = 104,572.60 : x
  2. Step 2: Convert to fraction form
    341,231.80/511,886.10 = 104,572.60/x
  3. Step 3: Cross multiply
    341,231.80x = 511,886.10 × 104,572.60
  4. Step 4: Simplify right side
    341,231.80x = 53,529,260,380.86
  5. Step 5: Solve for x
    x = 53,529,260,380.86/341,231.80
  6. Step 6: Final answer
    x = 156,870.67

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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.