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Finding the Fourth Proportional to 469,335.02, 647,681.72 and 254,474.73

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Solution

The fourth proportional to 469,335.02, 647,681.72 and 254,474.73 is: 351,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,335.02 : 647,681.72 = 254,474.73 : x
  2. Step 2: Convert to fraction form
    469,335.02/647,681.72 = 254,474.73/x
  3. Step 3: Cross multiply
    469,335.02x = 647,681.72 × 254,474.73
  4. Step 4: Simplify right side
    469,335.02x = 164,818,629,550.56
  5. Step 5: Solve for x
    x = 164,818,629,550.56/469,335.02
  6. Step 6: Final answer
    x = 351,174.80

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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.