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Finding the Fourth Proportional to 446,719.45, 624,007.55 and 446,719.45

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Solution

The fourth proportional to 446,719.45, 624,007.55 and 446,719.45 is: 624,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,719.45 : 624,007.55 = 446,719.45 : x
  2. Step 2: Convert to fraction form
    446,719.45/624,007.55 = 446,719.45/x
  3. Step 3: Cross multiply
    446,719.45x = 624,007.55 × 446,719.45
  4. Step 4: Simplify right side
    446,719.45x = 278,756,309,531.85
  5. Step 5: Solve for x
    x = 278,756,309,531.85/446,719.45
  6. Step 6: Final answer
    x = 624,007.55

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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.