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Finding the Fourth Proportional to 610,722.80, 915,654.98 and 269,004.06

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Solution

The fourth proportional to 610,722.80, 915,654.98 and 269,004.06 is: 403,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,722.80 : 915,654.98 = 269,004.06 : x
  2. Step 2: Convert to fraction form
    610,722.80/915,654.98 = 269,004.06/x
  3. Step 3: Cross multiply
    610,722.80x = 915,654.98 × 269,004.06
  4. Step 4: Simplify right side
    610,722.80x = 246,314,907,179.22
  5. Step 5: Solve for x
    x = 246,314,907,179.22/610,722.80
  6. Step 6: Final answer
    x = 403,317.03

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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.