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Finding the Fourth Proportional to 550,963.55, 826,623.95 and 270,283.97

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Solution

The fourth proportional to 550,963.55, 826,623.95 and 270,283.97 is: 405,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,963.55 : 826,623.95 = 270,283.97 : x
  2. Step 2: Convert to fraction form
    550,963.55/826,623.95 = 270,283.97/x
  3. Step 3: Cross multiply
    550,963.55x = 826,623.95 × 270,283.97
  4. Step 4: Simplify right side
    550,963.55x = 223,423,203,618.22
  5. Step 5: Solve for x
    x = 223,423,203,618.22/550,963.55
  6. Step 6: Final answer
    x = 405,513.58

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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.