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Finding the Fourth Proportional to 377,003.96, 520,261.26 and 204,918.20

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Solution

The fourth proportional to 377,003.96, 520,261.26 and 204,918.20 is: 282,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,003.96 : 520,261.26 = 204,918.20 : x
  2. Step 2: Convert to fraction form
    377,003.96/520,261.26 = 204,918.20/x
  3. Step 3: Cross multiply
    377,003.96x = 520,261.26 × 204,918.20
  4. Step 4: Simplify right side
    377,003.96x = 106,611,000,928.93
  5. Step 5: Solve for x
    x = 106,611,000,928.93/377,003.96
  6. Step 6: Final answer
    x = 282,784.83

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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.