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Finding the Fourth Proportional to 383,996.66, 575,527.80 and 271,709.18

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Solution

The fourth proportional to 383,996.66, 575,527.80 and 271,709.18 is: 407,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,996.66 : 575,527.80 = 271,709.18 : x
  2. Step 2: Convert to fraction form
    383,996.66/575,527.80 = 271,709.18/x
  3. Step 3: Cross multiply
    383,996.66x = 575,527.80 × 271,709.18
  4. Step 4: Simplify right side
    383,996.66x = 156,376,186,605.20
  5. Step 5: Solve for x
    x = 156,376,186,605.20/383,996.66
  6. Step 6: Final answer
    x = 407,233.19

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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.