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Finding the Fourth Proportional to 440,763.41, 661,394.21 and 188,020.01

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Solution

The fourth proportional to 440,763.41, 661,394.21 and 188,020.01 is: 282,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,763.41 : 661,394.21 = 188,020.01 : x
  2. Step 2: Convert to fraction form
    440,763.41/661,394.21 = 188,020.01/x
  3. Step 3: Cross multiply
    440,763.41x = 661,394.21 × 188,020.01
  4. Step 4: Simplify right side
    440,763.41x = 124,355,341,731.07
  5. Step 5: Solve for x
    x = 124,355,341,731.07/440,763.41
  6. Step 6: Final answer
    x = 282,136.27

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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.