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Finding the Fourth Proportional to 480,879.74, 663,611.63 and 263,084.47

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Solution

The fourth proportional to 480,879.74, 663,611.63 and 263,084.47 is: 363,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,879.74 : 663,611.63 = 263,084.47 : x
  2. Step 2: Convert to fraction form
    480,879.74/663,611.63 = 263,084.47/x
  3. Step 3: Cross multiply
    480,879.74x = 663,611.63 × 263,084.47
  4. Step 4: Simplify right side
    480,879.74x = 174,585,912,305.36
  5. Step 5: Solve for x
    x = 174,585,912,305.36/480,879.74
  6. Step 6: Final answer
    x = 363,055.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.