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Finding the Fourth Proportional to 368,598.23, 552,976.23 and 208,749.72

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Solution

The fourth proportional to 368,598.23, 552,976.23 and 208,749.72 is: 313,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,598.23 : 552,976.23 = 208,749.72 : x
  2. Step 2: Convert to fraction form
    368,598.23/552,976.23 = 208,749.72/x
  3. Step 3: Cross multiply
    368,598.23x = 552,976.23 × 208,749.72
  4. Step 4: Simplify right side
    368,598.23x = 115,433,633,179.16
  5. Step 5: Solve for x
    x = 115,433,633,179.16/368,598.23
  6. Step 6: Final answer
    x = 313,169.25

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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.