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Finding the Fourth Proportional to 587,310.80, 882,809.40 and 576,251.60

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Solution

The fourth proportional to 587,310.80, 882,809.40 and 576,251.60 is: 866,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,310.80 : 882,809.40 = 576,251.60 : x
  2. Step 2: Convert to fraction form
    587,310.80/882,809.40 = 576,251.60/x
  3. Step 3: Cross multiply
    587,310.80x = 882,809.40 × 576,251.60
  4. Step 4: Simplify right side
    587,310.80x = 508,720,329,245.04
  5. Step 5: Solve for x
    x = 508,720,329,245.04/587,310.80
  6. Step 6: Final answer
    x = 866,185.89

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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.