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Finding the Fourth Proportional to 562,271.85, 843,407.81 and 162,912.89

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Solution

The fourth proportional to 562,271.85, 843,407.81 and 162,912.89 is: 244,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,271.85 : 843,407.81 = 162,912.89 : x
  2. Step 2: Convert to fraction form
    562,271.85/843,407.81 = 162,912.89/x
  3. Step 3: Cross multiply
    562,271.85x = 843,407.81 × 162,912.89
  4. Step 4: Simplify right side
    562,271.85x = 137,401,998,744.07
  5. Step 5: Solve for x
    x = 137,401,998,744.07/562,271.85
  6. Step 6: Final answer
    x = 244,369.34

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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.