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Finding the Fourth Proportional to 511,994.54, 706,818.09 and 374,018.54

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Solution

The fourth proportional to 511,994.54, 706,818.09 and 374,018.54 is: 516,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,994.54 : 706,818.09 = 374,018.54 : x
  2. Step 2: Convert to fraction form
    511,994.54/706,818.09 = 374,018.54/x
  3. Step 3: Cross multiply
    511,994.54x = 706,818.09 × 374,018.54
  4. Step 4: Simplify right side
    511,994.54x = 264,363,070,067.39
  5. Step 5: Solve for x
    x = 264,363,070,067.39/511,994.54
  6. Step 6: Final answer
    x = 516,339.63

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1.5x scale

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.