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Finding the Fourth Proportional to 443,233.65, 622,101.75 and 443,233.65

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Solution

The fourth proportional to 443,233.65, 622,101.75 and 443,233.65 is: 622,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,233.65 : 622,101.75 = 443,233.65 : x
  2. Step 2: Convert to fraction form
    443,233.65/622,101.75 = 443,233.65/x
  3. Step 3: Cross multiply
    443,233.65x = 622,101.75 × 443,233.65
  4. Step 4: Simplify right side
    443,233.65x = 275,736,429,323.89
  5. Step 5: Solve for x
    x = 275,736,429,323.89/443,233.65
  6. Step 6: Final answer
    x = 622,101.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.