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Finding the Fourth Proportional to 259,660, 358,330.80 and 184,339.72

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Solution

The fourth proportional to 259,660, 358,330.80 and 184,339.72 is: 254,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,660 : 358,330.80 = 184,339.72 : x
  2. Step 2: Convert to fraction form
    259,660/358,330.80 = 184,339.72/x
  3. Step 3: Cross multiply
    259,660x = 358,330.80 × 184,339.72
  4. Step 4: Simplify right side
    259,660x = 66,054,599,339.38
  5. Step 5: Solve for x
    x = 66,054,599,339.38/259,660
  6. Step 6: Final answer
    x = 254,388.81

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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.