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Finding the Fourth Proportional to 633,810.69, 874,665.64 and 347,324.63

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Solution

The fourth proportional to 633,810.69, 874,665.64 and 347,324.63 is: 479,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,810.69 : 874,665.64 = 347,324.63 : x
  2. Step 2: Convert to fraction form
    633,810.69/874,665.64 = 347,324.63/x
  3. Step 3: Cross multiply
    633,810.69x = 874,665.64 × 347,324.63
  4. Step 4: Simplify right side
    633,810.69x = 303,792,915,847.54
  5. Step 5: Solve for x
    x = 303,792,915,847.54/633,810.69
  6. Step 6: Final answer
    x = 479,311.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.