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Finding the Fourth Proportional to 322,664.54, 445,271.47 and 179,421.51

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Solution

The fourth proportional to 322,664.54, 445,271.47 and 179,421.51 is: 247,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,664.54 : 445,271.47 = 179,421.51 : x
  2. Step 2: Convert to fraction form
    322,664.54/445,271.47 = 179,421.51/x
  3. Step 3: Cross multiply
    322,664.54x = 445,271.47 × 179,421.51
  4. Step 4: Simplify right side
    322,664.54x = 79,891,279,058.77
  5. Step 5: Solve for x
    x = 79,891,279,058.77/322,664.54
  6. Step 6: Final answer
    x = 247,598.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.