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Finding the Fourth Proportional to 582,987.65, 874,979.91 and 228,250.76

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Solution

The fourth proportional to 582,987.65, 874,979.91 and 228,250.76 is: 342,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,987.65 : 874,979.91 = 228,250.76 : x
  2. Step 2: Convert to fraction form
    582,987.65/874,979.91 = 228,250.76/x
  3. Step 3: Cross multiply
    582,987.65x = 874,979.91 × 228,250.76
  4. Step 4: Simplify right side
    582,987.65x = 199,714,825,067.33
  5. Step 5: Solve for x
    x = 199,714,825,067.33/582,987.65
  6. Step 6: Final answer
    x = 342,571.28

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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.