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Finding the Fourth Proportional to 451,703.67, 676,371.83 and 317,859.27

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Solution

The fourth proportional to 451,703.67, 676,371.83 and 317,859.27 is: 475,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,703.67 : 676,371.83 = 317,859.27 : x
  2. Step 2: Convert to fraction form
    451,703.67/676,371.83 = 317,859.27/x
  3. Step 3: Cross multiply
    451,703.67x = 676,371.83 × 317,859.27
  4. Step 4: Simplify right side
    451,703.67x = 214,991,054,543.07
  5. Step 5: Solve for x
    x = 214,991,054,543.07/451,703.67
  6. Step 6: Final answer
    x = 475,955.96

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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.