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Finding the Fourth Proportional to 574,735.96, 793,135.63 and 320,087.15

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Solution

The fourth proportional to 574,735.96, 793,135.63 and 320,087.15 is: 441,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,735.96 : 793,135.63 = 320,087.15 : x
  2. Step 2: Convert to fraction form
    574,735.96/793,135.63 = 320,087.15/x
  3. Step 3: Cross multiply
    574,735.96x = 793,135.63 × 320,087.15
  4. Step 4: Simplify right side
    574,735.96x = 253,872,522,778.84
  5. Step 5: Solve for x
    x = 253,872,522,778.84/574,735.96
  6. Step 6: Final answer
    x = 441,720.27

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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.