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Finding the Fourth Proportional to 441,109.80, 661,664.70 and 230,812.20

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Solution

The fourth proportional to 441,109.80, 661,664.70 and 230,812.20 is: 346,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,109.80 : 661,664.70 = 230,812.20 : x
  2. Step 2: Convert to fraction form
    441,109.80/661,664.70 = 230,812.20/x
  3. Step 3: Cross multiply
    441,109.80x = 661,664.70 × 230,812.20
  4. Step 4: Simplify right side
    441,109.80x = 152,720,285,069.34
  5. Step 5: Solve for x
    x = 152,720,285,069.34/441,109.80
  6. Step 6: Final answer
    x = 346,218.30

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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.