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Finding the Fourth Proportional to 479,062.35, 718,593.62 and 194,907.51

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Solution

The fourth proportional to 479,062.35, 718,593.62 and 194,907.51 is: 292,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,062.35 : 718,593.62 = 194,907.51 : x
  2. Step 2: Convert to fraction form
    479,062.35/718,593.62 = 194,907.51/x
  3. Step 3: Cross multiply
    479,062.35x = 718,593.62 × 194,907.51
  4. Step 4: Simplify right side
    479,062.35x = 140,059,292,201.55
  5. Step 5: Solve for x
    x = 140,059,292,201.55/479,062.35
  6. Step 6: Final answer
    x = 292,361.30

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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.