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Finding the Fourth Proportional to 435,989.40, 601,680.60 and 244,998.96

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Solution

The fourth proportional to 435,989.40, 601,680.60 and 244,998.96 is: 338,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,989.40 : 601,680.60 = 244,998.96 : x
  2. Step 2: Convert to fraction form
    435,989.40/601,680.60 = 244,998.96/x
  3. Step 3: Cross multiply
    435,989.40x = 601,680.60 × 244,998.96
  4. Step 4: Simplify right side
    435,989.40x = 147,411,121,252.18
  5. Step 5: Solve for x
    x = 147,411,121,252.18/435,989.40
  6. Step 6: Final answer
    x = 338,107.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.