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Finding the Fourth Proportional to 453,778.89, 680,668.47 and 169,491.84

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Solution

The fourth proportional to 453,778.89, 680,668.47 and 169,491.84 is: 254,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,778.89 : 680,668.47 = 169,491.84 : x
  2. Step 2: Convert to fraction form
    453,778.89/680,668.47 = 169,491.84/x
  3. Step 3: Cross multiply
    453,778.89x = 680,668.47 × 169,491.84
  4. Step 4: Simplify right side
    453,778.89x = 115,367,751,410.29
  5. Step 5: Solve for x
    x = 115,367,751,410.29/453,778.89
  6. Step 6: Final answer
    x = 254,237.81

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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.