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Finding the Fourth Proportional to 655,709.04, 982,476.54 and 229,015.62

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Solution

The fourth proportional to 655,709.04, 982,476.54 and 229,015.62 is: 343,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,709.04 : 982,476.54 = 229,015.62 : x
  2. Step 2: Convert to fraction form
    655,709.04/982,476.54 = 229,015.62/x
  3. Step 3: Cross multiply
    655,709.04x = 982,476.54 × 229,015.62
  4. Step 4: Simplify right side
    655,709.04x = 225,002,473,943.56
  5. Step 5: Solve for x
    x = 225,002,473,943.56/655,709.04
  6. Step 6: Final answer
    x = 343,143.77

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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.