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Finding the Fourth Proportional to 543,994.51, 750,729.33 and 298,974.82

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Solution

The fourth proportional to 543,994.51, 750,729.33 and 298,974.82 is: 412,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,994.51 : 750,729.33 = 298,974.82 : x
  2. Step 2: Convert to fraction form
    543,994.51/750,729.33 = 298,974.82/x
  3. Step 3: Cross multiply
    543,994.51x = 750,729.33 × 298,974.82
  4. Step 4: Simplify right side
    543,994.51x = 224,449,161,056.95
  5. Step 5: Solve for x
    x = 224,449,161,056.95/543,994.51
  6. Step 6: Final answer
    x = 412,594.54

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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.