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Finding the Fourth Proportional to 483,508.37, 725,090.94 and 141,856.45

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Solution

The fourth proportional to 483,508.37, 725,090.94 and 141,856.45 is: 212,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,508.37 : 725,090.94 = 141,856.45 : x
  2. Step 2: Convert to fraction form
    483,508.37/725,090.94 = 141,856.45/x
  3. Step 3: Cross multiply
    483,508.37x = 725,090.94 × 141,856.45
  4. Step 4: Simplify right side
    483,508.37x = 102,858,824,862.84
  5. Step 5: Solve for x
    x = 102,858,824,862.84/483,508.37
  6. Step 6: Final answer
    x = 212,734.32

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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.