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Finding the Fourth Proportional to 331,098.27, 495,973.32 and 303,511.29

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Solution

The fourth proportional to 331,098.27, 495,973.32 and 303,511.29 is: 454,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,098.27 : 495,973.32 = 303,511.29 : x
  2. Step 2: Convert to fraction form
    331,098.27/495,973.32 = 303,511.29/x
  3. Step 3: Cross multiply
    331,098.27x = 495,973.32 × 303,511.29
  4. Step 4: Simplify right side
    331,098.27x = 150,533,502,158.78
  5. Step 5: Solve for x
    x = 150,533,502,158.78/331,098.27
  6. Step 6: Final answer
    x = 454,649.01

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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.