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Finding the Fourth Proportional to 587,227.20, 880,840.80 and 495,988.80

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Solution

The fourth proportional to 587,227.20, 880,840.80 and 495,988.80 is: 743,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,227.20 : 880,840.80 = 495,988.80 : x
  2. Step 2: Convert to fraction form
    587,227.20/880,840.80 = 495,988.80/x
  3. Step 3: Cross multiply
    587,227.20x = 880,840.80 × 495,988.80
  4. Step 4: Simplify right side
    587,227.20x = 436,887,171,383.04
  5. Step 5: Solve for x
    x = 436,887,171,383.04/587,227.20
  6. Step 6: Final answer
    x = 743,983.20

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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.