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Finding the Fourth Proportional to 982,853.88, 1,474,279.58 and 308,994

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Solution

The fourth proportional to 982,853.88, 1,474,279.58 and 308,994 is: 463,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,853.88 : 1,474,279.58 = 308,994 : x
  2. Step 2: Convert to fraction form
    982,853.88/1,474,279.58 = 308,994/x
  3. Step 3: Cross multiply
    982,853.88x = 1,474,279.58 × 308,994
  4. Step 4: Simplify right side
    982,853.88x = 455,543,544,542.52
  5. Step 5: Solve for x
    x = 455,543,544,542.52/982,853.88
  6. Step 6: Final answer
    x = 463,490.61

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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.