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Finding the Fourth Proportional to 562,274.60, 843,455.64 and 162,921.11

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Solution

The fourth proportional to 562,274.60, 843,455.64 and 162,921.11 is: 244,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,274.60 : 843,455.64 = 162,921.11 : x
  2. Step 2: Convert to fraction form
    562,274.60/843,455.64 = 162,921.11/x
  3. Step 3: Cross multiply
    562,274.60x = 843,455.64 × 162,921.11
  4. Step 4: Simplify right side
    562,274.60x = 137,416,729,104.56
  5. Step 5: Solve for x
    x = 137,416,729,104.56/562,274.60
  6. Step 6: Final answer
    x = 244,394.34

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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.