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Finding the Fourth Proportional to 350,711.88, 483,993.54 and 199,818.60

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Solution

The fourth proportional to 350,711.88, 483,993.54 and 199,818.60 is: 275,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,711.88 : 483,993.54 = 199,818.60 : x
  2. Step 2: Convert to fraction form
    350,711.88/483,993.54 = 199,818.60/x
  3. Step 3: Cross multiply
    350,711.88x = 483,993.54 × 199,818.60
  4. Step 4: Simplify right side
    350,711.88x = 96,710,911,571.84
  5. Step 5: Solve for x
    x = 96,710,911,571.84/350,711.88
  6. Step 6: Final answer
    x = 275,756.02

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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.