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Finding the Fourth Proportional to 587,469.80, 881,204.70 and 547,812.20

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Solution

The fourth proportional to 587,469.80, 881,204.70 and 547,812.20 is: 821,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,469.80 : 881,204.70 = 547,812.20 : x
  2. Step 2: Convert to fraction form
    587,469.80/881,204.70 = 547,812.20/x
  3. Step 3: Cross multiply
    587,469.80x = 881,204.70 × 547,812.20
  4. Step 4: Simplify right side
    587,469.80x = 482,734,685,357.34
  5. Step 5: Solve for x
    x = 482,734,685,357.34/587,469.80
  6. Step 6: Final answer
    x = 821,718.30

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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.