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Finding the Fourth Proportional to 569,630.79, 785,375.96 and 365,321.25

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Solution

The fourth proportional to 569,630.79, 785,375.96 and 365,321.25 is: 503,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,630.79 : 785,375.96 = 365,321.25 : x
  2. Step 2: Convert to fraction form
    569,630.79/785,375.96 = 365,321.25/x
  3. Step 3: Cross multiply
    569,630.79x = 785,375.96 × 365,321.25
  4. Step 4: Simplify right side
    569,630.79x = 286,914,525,600.54
  5. Step 5: Solve for x
    x = 286,914,525,600.54/569,630.79
  6. Step 6: Final answer
    x = 503,685.07

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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.