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Finding the Fourth Proportional to 462,376.42, 638,083.88 and 271,393.00

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Solution

The fourth proportional to 462,376.42, 638,083.88 and 271,393.00 is: 374,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,376.42 : 638,083.88 = 271,393.00 : x
  2. Step 2: Convert to fraction form
    462,376.42/638,083.88 = 271,393.00/x
  3. Step 3: Cross multiply
    462,376.42x = 638,083.88 × 271,393.00
  4. Step 4: Simplify right side
    462,376.42x = 173,171,496,510.39
  5. Step 5: Solve for x
    x = 173,171,496,510.39/462,376.42
  6. Step 6: Final answer
    x = 374,524.93

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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.