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Finding the Fourth Proportional to 562,558.20, 843,729.72 and 168,574.20

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Solution

The fourth proportional to 562,558.20, 843,729.72 and 168,574.20 is: 252,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,558.20 : 843,729.72 = 168,574.20 : x
  2. Step 2: Convert to fraction form
    562,558.20/843,729.72 = 168,574.20/x
  3. Step 3: Cross multiply
    562,558.20x = 843,729.72 × 168,574.20
  4. Step 4: Simplify right side
    562,558.20x = 142,231,062,565.22
  5. Step 5: Solve for x
    x = 142,231,062,565.22/562,558.20
  6. Step 6: Final answer
    x = 252,829.06

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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.