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Finding the Fourth Proportional to 404,611.64, 558,553.04 and 234,812.96

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Solution

The fourth proportional to 404,611.64, 558,553.04 and 234,812.96 is: 324,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,611.64 : 558,553.04 = 234,812.96 : x
  2. Step 2: Convert to fraction form
    404,611.64/558,553.04 = 234,812.96/x
  3. Step 3: Cross multiply
    404,611.64x = 558,553.04 × 234,812.96
  4. Step 4: Simplify right side
    404,611.64x = 131,155,492,639.40
  5. Step 5: Solve for x
    x = 131,155,492,639.40/404,611.64
  6. Step 6: Final answer
    x = 324,151.56

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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.