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Finding the Fourth Proportional to 804,992.60, 1,206,452.10 and 617,072.60

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Solution

The fourth proportional to 804,992.60, 1,206,452.10 and 617,072.60 is: 924,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,992.60 : 1,206,452.10 = 617,072.60 : x
  2. Step 2: Convert to fraction form
    804,992.60/1,206,452.10 = 617,072.60/x
  3. Step 3: Cross multiply
    804,992.60x = 1,206,452.10 × 617,072.60
  4. Step 4: Simplify right side
    804,992.60x = 744,468,534,122.46
  5. Step 5: Solve for x
    x = 744,468,534,122.46/804,992.60
  6. Step 6: Final answer
    x = 924,814.13

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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.