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Finding the Fourth Proportional to 1,848,690.35, 2,772,998.59 and 837,623.87

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Solution

The fourth proportional to 1,848,690.35, 2,772,998.59 and 837,623.87 is: 1,256,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,690.35 : 2,772,998.59 = 837,623.87 : x
  2. Step 2: Convert to fraction form
    1,848,690.35/2,772,998.59 = 837,623.87/x
  3. Step 3: Cross multiply
    1,848,690.35x = 2,772,998.59 × 837,623.87
  4. Step 4: Simplify right side
    1,848,690.35x = 2,322,729,810,460.34
  5. Step 5: Solve for x
    x = 2,322,729,810,460.34/1,848,690.35
  6. Step 6: Final answer
    x = 1,256,419.07

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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.