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Finding the Fourth Proportional to 569,157.50, 785,568.30 and 327,579.60

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Solution

The fourth proportional to 569,157.50, 785,568.30 and 327,579.60 is: 452,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,157.50 : 785,568.30 = 327,579.60 : x
  2. Step 2: Convert to fraction form
    569,157.50/785,568.30 = 327,579.60/x
  3. Step 3: Cross multiply
    569,157.50x = 785,568.30 × 327,579.60
  4. Step 4: Simplify right side
    569,157.50x = 257,336,149,486.68
  5. Step 5: Solve for x
    x = 257,336,149,486.68/569,157.50
  6. Step 6: Final answer
    x = 452,135.22

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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.