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Finding the Fourth Proportional to 635,597.68, 953,404.54 and 186,327.57

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Solution

The fourth proportional to 635,597.68, 953,404.54 and 186,327.57 is: 279,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,597.68 : 953,404.54 = 186,327.57 : x
  2. Step 2: Convert to fraction form
    635,597.68/953,404.54 = 186,327.57/x
  3. Step 3: Cross multiply
    635,597.68x = 953,404.54 × 186,327.57
  4. Step 4: Simplify right side
    635,597.68x = 177,645,551,165.17
  5. Step 5: Solve for x
    x = 177,645,551,165.17/635,597.68
  6. Step 6: Final answer
    x = 279,493.71

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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.