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Finding the Fourth Proportional to 325,670.01, 488,671.94 and 155,084.68

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Solution

The fourth proportional to 325,670.01, 488,671.94 and 155,084.68 is: 232,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,670.01 : 488,671.94 = 155,084.68 : x
  2. Step 2: Convert to fraction form
    325,670.01/488,671.94 = 155,084.68/x
  3. Step 3: Cross multiply
    325,670.01x = 488,671.94 × 155,084.68
  4. Step 4: Simplify right side
    325,670.01x = 75,785,531,439.88
  5. Step 5: Solve for x
    x = 75,785,531,439.88/325,670.01
  6. Step 6: Final answer
    x = 232,706.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.