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Finding the Fourth Proportional to 380,170.09, 569,625.43 and 267,298.84

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Solution

The fourth proportional to 380,170.09, 569,625.43 and 267,298.84 is: 400,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,170.09 : 569,625.43 = 267,298.84 : x
  2. Step 2: Convert to fraction form
    380,170.09/569,625.43 = 267,298.84/x
  3. Step 3: Cross multiply
    380,170.09x = 569,625.43 × 267,298.84
  4. Step 4: Simplify right side
    380,170.09x = 152,260,216,673.50
  5. Step 5: Solve for x
    x = 152,260,216,673.50/380,170.09
  6. Step 6: Final answer
    x = 400,505.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.