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Finding the Fourth Proportional to 453,684.89, 680,527.34 and 121,252.25

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Solution

The fourth proportional to 453,684.89, 680,527.34 and 121,252.25 is: 181,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,684.89 : 680,527.34 = 121,252.25 : x
  2. Step 2: Convert to fraction form
    453,684.89/680,527.34 = 121,252.25/x
  3. Step 3: Cross multiply
    453,684.89x = 680,527.34 × 121,252.25
  4. Step 4: Simplify right side
    453,684.89x = 82,515,470,555.25
  5. Step 5: Solve for x
    x = 82,515,470,555.25/453,684.89
  6. Step 6: Final answer
    x = 181,878.38

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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.