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Finding the Fourth Proportional to 377,234.30, 520,492.21 and 239,362.96

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Solution

The fourth proportional to 377,234.30, 520,492.21 and 239,362.96 is: 330,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,234.30 : 520,492.21 = 239,362.96 : x
  2. Step 2: Convert to fraction form
    377,234.30/520,492.21 = 239,362.96/x
  3. Step 3: Cross multiply
    377,234.30x = 520,492.21 × 239,362.96
  4. Step 4: Simplify right side
    377,234.30x = 124,586,556,042.54
  5. Step 5: Solve for x
    x = 124,586,556,042.54/377,234.30
  6. Step 6: Final answer
    x = 330,263.06

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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.