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Finding the Fourth Proportional to 304,608.12, 456,961.14 and 104,879.40

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Solution

The fourth proportional to 304,608.12, 456,961.14 and 104,879.40 is: 157,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,608.12 : 456,961.14 = 104,879.40 : x
  2. Step 2: Convert to fraction form
    304,608.12/456,961.14 = 104,879.40/x
  3. Step 3: Cross multiply
    304,608.12x = 456,961.14 × 104,879.40
  4. Step 4: Simplify right side
    304,608.12x = 47,925,810,186.52
  5. Step 5: Solve for x
    x = 47,925,810,186.52/304,608.12
  6. Step 6: Final answer
    x = 157,335.96

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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.