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Finding the Fourth Proportional to 319,966, 441,553.08 and 192,646.96

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Solution

The fourth proportional to 319,966, 441,553.08 and 192,646.96 is: 265,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,966 : 441,553.08 = 192,646.96 : x
  2. Step 2: Convert to fraction form
    319,966/441,553.08 = 192,646.96/x
  3. Step 3: Cross multiply
    319,966x = 441,553.08 × 192,646.96
  4. Step 4: Simplify right side
    319,966x = 85,063,858,540.64
  5. Step 5: Solve for x
    x = 85,063,858,540.64/319,966
  6. Step 6: Final answer
    x = 265,852.80

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1.5x scale

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.