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Finding the Fourth Proportional to 485,382.03, 669,850.02 and 270,523.59

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Solution

The fourth proportional to 485,382.03, 669,850.02 and 270,523.59 is: 373,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,382.03 : 669,850.02 = 270,523.59 : x
  2. Step 2: Convert to fraction form
    485,382.03/669,850.02 = 270,523.59/x
  3. Step 3: Cross multiply
    485,382.03x = 669,850.02 × 270,523.59
  4. Step 4: Simplify right side
    485,382.03x = 181,210,232,171.97
  5. Step 5: Solve for x
    x = 181,210,232,171.97/485,382.03
  6. Step 6: Final answer
    x = 373,335.27

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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.