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Finding the Fourth Proportional to 353,822.67, 488,260.53 and 192,677.31

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Solution

The fourth proportional to 353,822.67, 488,260.53 and 192,677.31 is: 265,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,822.67 : 488,260.53 = 192,677.31 : x
  2. Step 2: Convert to fraction form
    353,822.67/488,260.53 = 192,677.31/x
  3. Step 3: Cross multiply
    353,822.67x = 488,260.53 × 192,677.31
  4. Step 4: Simplify right side
    353,822.67x = 94,076,725,499.57
  5. Step 5: Solve for x
    x = 94,076,725,499.57/353,822.67
  6. Step 6: Final answer
    x = 265,886.65

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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.