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Finding the Fourth Proportional to 453,583.89, 680,179.23 and 137,967.93

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Solution

The fourth proportional to 453,583.89, 680,179.23 and 137,967.93 is: 206,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,583.89 : 680,179.23 = 137,967.93 : x
  2. Step 2: Convert to fraction form
    453,583.89/680,179.23 = 137,967.93/x
  3. Step 3: Cross multiply
    453,583.89x = 680,179.23 × 137,967.93
  4. Step 4: Simplify right side
    453,583.89x = 93,842,920,392.09
  5. Step 5: Solve for x
    x = 93,842,920,392.09/453,583.89
  6. Step 6: Final answer
    x = 206,892.09

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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.