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Finding the Fourth Proportional to 378,085.96, 566,963.34 and 200,552.68

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Solution

The fourth proportional to 378,085.96, 566,963.34 and 200,552.68 is: 300,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,085.96 : 566,963.34 = 200,552.68 : x
  2. Step 2: Convert to fraction form
    378,085.96/566,963.34 = 200,552.68/x
  3. Step 3: Cross multiply
    378,085.96x = 566,963.34 × 200,552.68
  4. Step 4: Simplify right side
    378,085.96x = 113,706,017,298.75
  5. Step 5: Solve for x
    x = 113,706,017,298.75/378,085.96
  6. Step 6: Final answer
    x = 300,741.18

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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.