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Finding the Fourth Proportional to 338,894.56, 467,730.48 and 188,040.16

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Solution

The fourth proportional to 338,894.56, 467,730.48 and 188,040.16 is: 259,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,894.56 : 467,730.48 = 188,040.16 : x
  2. Step 2: Convert to fraction form
    338,894.56/467,730.48 = 188,040.16/x
  3. Step 3: Cross multiply
    338,894.56x = 467,730.48 × 188,040.16
  4. Step 4: Simplify right side
    338,894.56x = 87,952,114,296.08
  5. Step 5: Solve for x
    x = 87,952,114,296.08/338,894.56
  6. Step 6: Final answer
    x = 259,526.49

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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.