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Finding the Fourth Proportional to 633,672.06, 874,467.27 and 347,203.02

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Solution

The fourth proportional to 633,672.06, 874,467.27 and 347,203.02 is: 479,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,672.06 : 874,467.27 = 347,203.02 : x
  2. Step 2: Convert to fraction form
    633,672.06/874,467.27 = 347,203.02/x
  3. Step 3: Cross multiply
    633,672.06x = 874,467.27 × 347,203.02
  4. Step 4: Simplify right side
    633,672.06x = 303,617,677,035.16
  5. Step 5: Solve for x
    x = 303,617,677,035.16/633,672.06
  6. Step 6: Final answer
    x = 479,140.07

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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.