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Finding the Fourth Proportional to 361,811.99, 499,337.01 and 200,698.46

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Solution

The fourth proportional to 361,811.99, 499,337.01 and 200,698.46 is: 276,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,811.99 : 499,337.01 = 200,698.46 : x
  2. Step 2: Convert to fraction form
    361,811.99/499,337.01 = 200,698.46/x
  3. Step 3: Cross multiply
    361,811.99x = 499,337.01 × 200,698.46
  4. Step 4: Simplify right side
    361,811.99x = 100,216,166,431.32
  5. Step 5: Solve for x
    x = 100,216,166,431.32/361,811.99
  6. Step 6: Final answer
    x = 276,984.10

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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.