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Finding the Fourth Proportional to 342,889.60, 473,174.04 and 191,983.36

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Solution

The fourth proportional to 342,889.60, 473,174.04 and 191,983.36 is: 264,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,889.60 : 473,174.04 = 191,983.36 : x
  2. Step 2: Convert to fraction form
    342,889.60/473,174.04 = 191,983.36/x
  3. Step 3: Cross multiply
    342,889.60x = 473,174.04 × 191,983.36
  4. Step 4: Simplify right side
    342,889.60x = 90,841,542,063.97
  5. Step 5: Solve for x
    x = 90,841,542,063.97/342,889.60
  6. Step 6: Final answer
    x = 264,929.42

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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.