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Finding the Fourth Proportional to 608,833.43, 913,256.42 and 271,891.25

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Solution

The fourth proportional to 608,833.43, 913,256.42 and 271,891.25 is: 407,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,833.43 : 913,256.42 = 271,891.25 : x
  2. Step 2: Convert to fraction form
    608,833.43/913,256.42 = 271,891.25/x
  3. Step 3: Cross multiply
    608,833.43x = 913,256.42 × 271,891.25
  4. Step 4: Simplify right side
    608,833.43x = 248,306,423,678.59
  5. Step 5: Solve for x
    x = 248,306,423,678.59/608,833.43
  6. Step 6: Final answer
    x = 407,839.67

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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.