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Finding the Fourth Proportional to 693,837.06, 957,655.17 and 451,698

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Solution

The fourth proportional to 693,837.06, 957,655.17 and 451,698 is: 623,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,837.06 : 957,655.17 = 451,698 : x
  2. Step 2: Convert to fraction form
    693,837.06/957,655.17 = 451,698/x
  3. Step 3: Cross multiply
    693,837.06x = 957,655.17 × 451,698
  4. Step 4: Simplify right side
    693,837.06x = 432,570,924,978.66
  5. Step 5: Solve for x
    x = 432,570,924,978.66/693,837.06
  6. Step 6: Final answer
    x = 623,447.42

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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.