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Finding the Fourth Proportional to 853,911.92, 1,281,078 and 601,685.04

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Solution

The fourth proportional to 853,911.92, 1,281,078 and 601,685.04 is: 902,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,911.92 : 1,281,078 = 601,685.04 : x
  2. Step 2: Convert to fraction form
    853,911.92/1,281,078 = 601,685.04/x
  3. Step 3: Cross multiply
    853,911.92x = 1,281,078 × 601,685.04
  4. Step 4: Simplify right side
    853,911.92x = 770,805,467,673.12
  5. Step 5: Solve for x
    x = 770,805,467,673.12/853,911.92
  6. Step 6: Final answer
    x = 902,675.62

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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.