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Finding the Fourth Proportional to 313,883.33, 470,826.36 and 77,225.33

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Solution

The fourth proportional to 313,883.33, 470,826.36 and 77,225.33 is: 115,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,883.33 : 470,826.36 = 77,225.33 : x
  2. Step 2: Convert to fraction form
    313,883.33/470,826.36 = 77,225.33/x
  3. Step 3: Cross multiply
    313,883.33x = 470,826.36 × 77,225.33
  4. Step 4: Simplify right side
    313,883.33x = 36,359,722,200.76
  5. Step 5: Solve for x
    x = 36,359,722,200.76/313,883.33
  6. Step 6: Final answer
    x = 115,838.34

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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.