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Finding the Fourth Proportional to 633,950.51, 874,849.88 and 347,469.71

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Solution

The fourth proportional to 633,950.51, 874,849.88 and 347,469.71 is: 479,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,950.51 : 874,849.88 = 347,469.71 : x
  2. Step 2: Convert to fraction form
    633,950.51/874,849.88 = 347,469.71/x
  3. Step 3: Cross multiply
    633,950.51x = 874,849.88 × 347,469.71
  4. Step 4: Simplify right side
    633,950.51x = 303,983,830,591.56
  5. Step 5: Solve for x
    x = 303,983,830,591.56/633,950.51
  6. Step 6: Final answer
    x = 479,507.20

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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.