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Finding the Fourth Proportional to 353,783.06, 488,216.37 and 192,638.06

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Solution

The fourth proportional to 353,783.06, 488,216.37 and 192,638.06 is: 265,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,783.06 : 488,216.37 = 192,638.06 : x
  2. Step 2: Convert to fraction form
    353,783.06/488,216.37 = 192,638.06/x
  3. Step 3: Cross multiply
    353,783.06x = 488,216.37 × 192,638.06
  4. Step 4: Simplify right side
    353,783.06x = 94,049,054,377.04
  5. Step 5: Solve for x
    x = 94,049,054,377.04/353,783.06
  6. Step 6: Final answer
    x = 265,838.21

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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.