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Finding the Fourth Proportional to 693,840.06, 957,659.31 and 451,701

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Solution

The fourth proportional to 693,840.06, 957,659.31 and 451,701 is: 623,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,840.06 : 957,659.31 = 451,701 : x
  2. Step 2: Convert to fraction form
    693,840.06/957,659.31 = 451,701/x
  3. Step 3: Cross multiply
    693,840.06x = 957,659.31 × 451,701
  4. Step 4: Simplify right side
    693,840.06x = 432,575,667,986.31
  5. Step 5: Solve for x
    x = 432,575,667,986.31/693,840.06
  6. Step 6: Final answer
    x = 623,451.56

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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.