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Finding the Fourth Proportional to 341,618.40, 512,427.60 and 104,960.70

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Solution

The fourth proportional to 341,618.40, 512,427.60 and 104,960.70 is: 157,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,618.40 : 512,427.60 = 104,960.70 : x
  2. Step 2: Convert to fraction form
    341,618.40/512,427.60 = 104,960.70/x
  3. Step 3: Cross multiply
    341,618.40x = 512,427.60 × 104,960.70
  4. Step 4: Simplify right side
    341,618.40x = 53,784,759,595.32
  5. Step 5: Solve for x
    x = 53,784,759,595.32/341,618.40
  6. Step 6: Final answer
    x = 157,441.05

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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.