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Finding the Fourth Proportional to 376,989.96, 520,367.38 and 241,389.08

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Solution

The fourth proportional to 376,989.96, 520,367.38 and 241,389.08 is: 333,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,989.96 : 520,367.38 = 241,389.08 : x
  2. Step 2: Convert to fraction form
    376,989.96/520,367.38 = 241,389.08/x
  3. Step 3: Cross multiply
    376,989.96x = 520,367.38 × 241,389.08
  4. Step 4: Simplify right side
    376,989.96x = 125,611,003,120.21
  5. Step 5: Solve for x
    x = 125,611,003,120.21/376,989.96
  6. Step 6: Final answer
    x = 333,194.56

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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.