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Finding the Fourth Proportional to 377,168.68, 520,738.50 and 234,138.88

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Solution

The fourth proportional to 377,168.68, 520,738.50 and 234,138.88 is: 323,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,168.68 : 520,738.50 = 234,138.88 : x
  2. Step 2: Convert to fraction form
    377,168.68/520,738.50 = 234,138.88/x
  3. Step 3: Cross multiply
    377,168.68x = 520,738.50 × 234,138.88
  4. Step 4: Simplify right side
    377,168.68x = 121,925,129,162.88
  5. Step 5: Solve for x
    x = 121,925,129,162.88/377,168.68
  6. Step 6: Final answer
    x = 323,264.19

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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.