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Finding the Fourth Proportional to 594,109.20, 891,163.80 and 454,141.20

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Solution

The fourth proportional to 594,109.20, 891,163.80 and 454,141.20 is: 681,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,109.20 : 891,163.80 = 454,141.20 : x
  2. Step 2: Convert to fraction form
    594,109.20/891,163.80 = 454,141.20/x
  3. Step 3: Cross multiply
    594,109.20x = 891,163.80 × 454,141.20
  4. Step 4: Simplify right side
    594,109.20x = 404,714,197,528.56
  5. Step 5: Solve for x
    x = 404,714,197,528.56/594,109.20
  6. Step 6: Final answer
    x = 681,211.80

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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.