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Finding the Fourth Proportional to 624,530.25, 936,821.30 and 181,298.25

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Solution

The fourth proportional to 624,530.25, 936,821.30 and 181,298.25 is: 271,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,530.25 : 936,821.30 = 181,298.25 : x
  2. Step 2: Convert to fraction form
    624,530.25/936,821.30 = 181,298.25/x
  3. Step 3: Cross multiply
    624,530.25x = 936,821.30 × 181,298.25
  4. Step 4: Simplify right side
    624,530.25x = 169,844,061,346.23
  5. Step 5: Solve for x
    x = 169,844,061,346.23/624,530.25
  6. Step 6: Final answer
    x = 271,954.90

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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.