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Finding the Fourth Proportional to 536,006.40, 802,843.20 and 325,276.80

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Solution

The fourth proportional to 536,006.40, 802,843.20 and 325,276.80 is: 487,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,006.40 : 802,843.20 = 325,276.80 : x
  2. Step 2: Convert to fraction form
    536,006.40/802,843.20 = 325,276.80/x
  3. Step 3: Cross multiply
    536,006.40x = 802,843.20 × 325,276.80
  4. Step 4: Simplify right side
    536,006.40x = 261,146,266,997.76
  5. Step 5: Solve for x
    x = 261,146,266,997.76/536,006.40
  6. Step 6: Final answer
    x = 487,207.37

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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.