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Finding the Fourth Proportional to 469,337.02, 647,684.47 and 254,476.73

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Solution

The fourth proportional to 469,337.02, 647,684.47 and 254,476.73 is: 351,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,337.02 : 647,684.47 = 254,476.73 : x
  2. Step 2: Convert to fraction form
    469,337.02/647,684.47 = 254,476.73/x
  3. Step 3: Cross multiply
    469,337.02x = 647,684.47 × 254,476.73
  4. Step 4: Simplify right side
    469,337.02x = 164,820,625,997.38
  5. Step 5: Solve for x
    x = 164,820,625,997.38/469,337.02
  6. Step 6: Final answer
    x = 351,177.55

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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.