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Finding the Fourth Proportional to 370,879.60, 556,076.40 and 146,104.60

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Solution

The fourth proportional to 370,879.60, 556,076.40 and 146,104.60 is: 219,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,879.60 : 556,076.40 = 146,104.60 : x
  2. Step 2: Convert to fraction form
    370,879.60/556,076.40 = 146,104.60/x
  3. Step 3: Cross multiply
    370,879.60x = 556,076.40 × 146,104.60
  4. Step 4: Simplify right side
    370,879.60x = 81,245,319,991.44
  5. Step 5: Solve for x
    x = 81,245,319,991.44/370,879.60
  6. Step 6: Final answer
    x = 219,061.17

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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.