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Finding the Fourth Proportional to 534,985.60, 802,593.60 and 161,046.40

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Solution

The fourth proportional to 534,985.60, 802,593.60 and 161,046.40 is: 241,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,985.60 : 802,593.60 = 161,046.40 : x
  2. Step 2: Convert to fraction form
    534,985.60/802,593.60 = 161,046.40/x
  3. Step 3: Cross multiply
    534,985.60x = 802,593.60 × 161,046.40
  4. Step 4: Simplify right side
    534,985.60x = 129,254,809,943.04
  5. Step 5: Solve for x
    x = 129,254,809,943.04/534,985.60
  6. Step 6: Final answer
    x = 241,604.28

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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.