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Finding the Fourth Proportional to 303,976.20, 455,987.84 and 101,573.00

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Solution

The fourth proportional to 303,976.20, 455,987.84 and 101,573.00 is: 152,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,976.20 : 455,987.84 = 101,573.00 : x
  2. Step 2: Convert to fraction form
    303,976.20/455,987.84 = 101,573.00/x
  3. Step 3: Cross multiply
    303,976.20x = 455,987.84 × 101,573.00
  4. Step 4: Simplify right side
    303,976.20x = 46,316,053,504.42
  5. Step 5: Solve for x
    x = 46,316,053,504.42/303,976.20
  6. Step 6: Final answer
    x = 152,367.37

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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.