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Finding the Fourth Proportional to 374,345.82, 561,200.49 and 163,826.46

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Solution

The fourth proportional to 374,345.82, 561,200.49 and 163,826.46 is: 245,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,345.82 : 561,200.49 = 163,826.46 : x
  2. Step 2: Convert to fraction form
    374,345.82/561,200.49 = 163,826.46/x
  3. Step 3: Cross multiply
    374,345.82x = 561,200.49 × 163,826.46
  4. Step 4: Simplify right side
    374,345.82x = 91,939,489,626.97
  5. Step 5: Solve for x
    x = 91,939,489,626.97/374,345.82
  6. Step 6: Final answer
    x = 245,600.42

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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.