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Finding the Fourth Proportional to 320,688.65, 481,198.95 and 232,668.65

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Solution

The fourth proportional to 320,688.65, 481,198.95 and 232,668.65 is: 349,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,688.65 : 481,198.95 = 232,668.65 : x
  2. Step 2: Convert to fraction form
    320,688.65/481,198.95 = 232,668.65/x
  3. Step 3: Cross multiply
    320,688.65x = 481,198.95 × 232,668.65
  4. Step 4: Simplify right side
    320,688.65x = 111,959,910,077.92
  5. Step 5: Solve for x
    x = 111,959,910,077.92/320,688.65
  6. Step 6: Final answer
    x = 349,123.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.