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Finding the Fourth Proportional to 568,766.85, 784,903.64 and 323,739.65

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Solution

The fourth proportional to 568,766.85, 784,903.64 and 323,739.65 is: 446,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,766.85 : 784,903.64 = 323,739.65 : x
  2. Step 2: Convert to fraction form
    568,766.85/784,903.64 = 323,739.65/x
  3. Step 3: Cross multiply
    568,766.85x = 784,903.64 × 323,739.65
  4. Step 4: Simplify right side
    568,766.85x = 254,104,424,154.11
  5. Step 5: Solve for x
    x = 254,104,424,154.11/568,766.85
  6. Step 6: Final answer
    x = 446,763.77

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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.