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Finding the Fourth Proportional to 1,295,837.38, 1,944,346.83 and 665,194.42

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Solution

The fourth proportional to 1,295,837.38, 1,944,346.83 and 665,194.42 is: 998,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,837.38 : 1,944,346.83 = 665,194.42 : x
  2. Step 2: Convert to fraction form
    1,295,837.38/1,944,346.83 = 665,194.42/x
  3. Step 3: Cross multiply
    1,295,837.38x = 1,944,346.83 × 665,194.42
  4. Step 4: Simplify right side
    1,295,837.38x = 1,293,368,661,860.69
  5. Step 5: Solve for x
    x = 1,293,368,661,860.69/1,295,837.38
  6. Step 6: Final answer
    x = 998,094.89

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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.