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Finding the Fourth Proportional to 368,153.64, 551,880.54 and 234,659.16

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Solution

The fourth proportional to 368,153.64, 551,880.54 and 234,659.16 is: 351,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,153.64 : 551,880.54 = 234,659.16 : x
  2. Step 2: Convert to fraction form
    368,153.64/551,880.54 = 234,659.16/x
  3. Step 3: Cross multiply
    368,153.64x = 551,880.54 × 234,659.16
  4. Step 4: Simplify right side
    368,153.64x = 129,503,823,936.75
  5. Step 5: Solve for x
    x = 129,503,823,936.75/368,153.64
  6. Step 6: Final answer
    x = 351,765.70

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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.