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Finding the Fourth Proportional to 1,671,659.82, 2,507,914.17 and 773,749.26

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Solution

The fourth proportional to 1,671,659.82, 2,507,914.17 and 773,749.26 is: 1,160,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,659.82 : 2,507,914.17 = 773,749.26 : x
  2. Step 2: Convert to fraction form
    1,671,659.82/2,507,914.17 = 773,749.26/x
  3. Step 3: Cross multiply
    1,671,659.82x = 2,507,914.17 × 773,749.26
  4. Step 4: Simplify right side
    1,671,659.82x = 1,940,496,733,181.01
  5. Step 5: Solve for x
    x = 1,940,496,733,181.01/1,671,659.82
  6. Step 6: Final answer
    x = 1,160,820.35

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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.