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Finding the Fourth Proportional to 569,144.60, 785,567.08 and 327,451.92

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Solution

The fourth proportional to 569,144.60, 785,567.08 and 327,451.92 is: 451,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,144.60 : 785,567.08 = 327,451.92 : x
  2. Step 2: Convert to fraction form
    569,144.60/785,567.08 = 327,451.92/x
  3. Step 3: Cross multiply
    569,144.60x = 785,567.08 × 327,451.92
  4. Step 4: Simplify right side
    569,144.60x = 257,235,448,634.79
  5. Step 5: Solve for x
    x = 257,235,448,634.79/569,144.60
  6. Step 6: Final answer
    x = 451,968.53

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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.