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Finding the Fourth Proportional to 361,950.80, 499,515.76 and 208,995.44

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Solution

The fourth proportional to 361,950.80, 499,515.76 and 208,995.44 is: 288,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,950.80 : 499,515.76 = 208,995.44 : x
  2. Step 2: Convert to fraction form
    361,950.80/499,515.76 = 208,995.44/x
  3. Step 3: Cross multiply
    361,950.80x = 499,515.76 × 208,995.44
  4. Step 4: Simplify right side
    361,950.80x = 104,396,513,811.80
  5. Step 5: Solve for x
    x = 104,396,513,811.80/361,950.80
  6. Step 6: Final answer
    x = 288,427.36

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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.