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Finding the Fourth Proportional to 617,093.26, 851,667.54 and 345,176.26

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Solution

The fourth proportional to 617,093.26, 851,667.54 and 345,176.26 is: 476,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,093.26 : 851,667.54 = 345,176.26 : x
  2. Step 2: Convert to fraction form
    617,093.26/851,667.54 = 345,176.26/x
  3. Step 3: Cross multiply
    617,093.26x = 851,667.54 × 345,176.26
  4. Step 4: Simplify right side
    617,093.26x = 293,975,416,220.60
  5. Step 5: Solve for x
    x = 293,975,416,220.60/617,093.26
  6. Step 6: Final answer
    x = 476,387.34

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1.5x scale

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.