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Finding the Fourth Proportional to 535,796.50, 802,615.08 and 355,983.18

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Solution

The fourth proportional to 535,796.50, 802,615.08 and 355,983.18 is: 533,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,796.50 : 802,615.08 = 355,983.18 : x
  2. Step 2: Convert to fraction form
    535,796.50/802,615.08 = 355,983.18/x
  3. Step 3: Cross multiply
    535,796.50x = 802,615.08 × 355,983.18
  4. Step 4: Simplify right side
    535,796.50x = 285,717,469,829.29
  5. Step 5: Solve for x
    x = 285,717,469,829.29/535,796.50
  6. Step 6: Final answer
    x = 533,257.44

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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.