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Finding the Fourth Proportional to 554,199.53, 764,794.94 and 299,550.72

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Solution

The fourth proportional to 554,199.53, 764,794.94 and 299,550.72 is: 413,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,199.53 : 764,794.94 = 299,550.72 : x
  2. Step 2: Convert to fraction form
    554,199.53/764,794.94 = 299,550.72/x
  3. Step 3: Cross multiply
    554,199.53x = 764,794.94 × 299,550.72
  4. Step 4: Simplify right side
    554,199.53x = 229,094,873,431.60
  5. Step 5: Solve for x
    x = 229,094,873,431.60/554,199.53
  6. Step 6: Final answer
    x = 413,379.77

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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.