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Finding the Fourth Proportional to 449,087.06, 673,432.94 and 168,407.48

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Solution

The fourth proportional to 449,087.06, 673,432.94 and 168,407.48 is: 252,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,087.06 : 673,432.94 = 168,407.48 : x
  2. Step 2: Convert to fraction form
    449,087.06/673,432.94 = 168,407.48/x
  3. Step 3: Cross multiply
    449,087.06x = 673,432.94 × 168,407.48
  4. Step 4: Simplify right side
    449,087.06x = 113,411,141,428.25
  5. Step 5: Solve for x
    x = 113,411,141,428.25/449,087.06
  6. Step 6: Final answer
    x = 252,537.10

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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.