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Finding the Fourth Proportional to 341,643.15, 512,396.69 and 116,984.79

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Solution

The fourth proportional to 341,643.15, 512,396.69 and 116,984.79 is: 175,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,643.15 : 512,396.69 = 116,984.79 : x
  2. Step 2: Convert to fraction form
    341,643.15/512,396.69 = 116,984.79/x
  3. Step 3: Cross multiply
    341,643.15x = 512,396.69 × 116,984.79
  4. Step 4: Simplify right side
    341,643.15x = 59,942,618,591.42
  5. Step 5: Solve for x
    x = 59,942,618,591.42/341,643.15
  6. Step 6: Final answer
    x = 175,453.89

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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.