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Finding the Fourth Proportional to 319,991.04, 441,383.04 and 192,706.56

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Solution

The fourth proportional to 319,991.04, 441,383.04 and 192,706.56 is: 265,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,991.04 : 441,383.04 = 192,706.56 : x
  2. Step 2: Convert to fraction form
    319,991.04/441,383.04 = 192,706.56/x
  3. Step 3: Cross multiply
    319,991.04x = 441,383.04 × 192,706.56
  4. Step 4: Simplify right side
    319,991.04x = 85,057,407,280.74
  5. Step 5: Solve for x
    x = 85,057,407,280.74/319,991.04
  6. Step 6: Final answer
    x = 265,811.84

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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.