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Finding the Fourth Proportional to 634,304.96, 875,380.70 and 347,825.04

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Solution

The fourth proportional to 634,304.96, 875,380.70 and 347,825.04 is: 480,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,304.96 : 875,380.70 = 347,825.04 : x
  2. Step 2: Convert to fraction form
    634,304.96/875,380.70 = 347,825.04/x
  3. Step 3: Cross multiply
    634,304.96x = 875,380.70 × 347,825.04
  4. Step 4: Simplify right side
    634,304.96x = 304,479,324,579.61
  5. Step 5: Solve for x
    x = 304,479,324,579.61/634,304.96
  6. Step 6: Final answer
    x = 480,020.41

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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.