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Finding the Fourth Proportional to 582,987.25, 874,979.33 and 228,250.38

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Solution

The fourth proportional to 582,987.25, 874,979.33 and 228,250.38 is: 342,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,987.25 : 874,979.33 = 228,250.38 : x
  2. Step 2: Convert to fraction form
    582,987.25/874,979.33 = 228,250.38/x
  3. Step 3: Cross multiply
    582,987.25x = 874,979.33 × 228,250.38
  4. Step 4: Simplify right side
    582,987.25x = 199,714,363,423.39
  5. Step 5: Solve for x
    x = 199,714,363,423.39/582,987.25
  6. Step 6: Final answer
    x = 342,570.72

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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.