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Finding the Fourth Proportional to 581,131.44, 873,009.42 and 344,629.26

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Solution

The fourth proportional to 581,131.44, 873,009.42 and 344,629.26 is: 517,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,131.44 : 873,009.42 = 344,629.26 : x
  2. Step 2: Convert to fraction form
    581,131.44/873,009.42 = 344,629.26/x
  3. Step 3: Cross multiply
    581,131.44x = 873,009.42 × 344,629.26
  4. Step 4: Simplify right side
    581,131.44x = 300,864,590,387.63
  5. Step 5: Solve for x
    x = 300,864,590,387.63/581,131.44
  6. Step 6: Final answer
    x = 517,722.10

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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.