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Finding the Fourth Proportional to 587,988.60, 881,982.90 and 504,007.80

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Solution

The fourth proportional to 587,988.60, 881,982.90 and 504,007.80 is: 756,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,988.60 : 881,982.90 = 504,007.80 : x
  2. Step 2: Convert to fraction form
    587,988.60/881,982.90 = 504,007.80/x
  3. Step 3: Cross multiply
    587,988.60x = 881,982.90 × 504,007.80
  4. Step 4: Simplify right side
    587,988.60x = 444,526,261,066.62
  5. Step 5: Solve for x
    x = 444,526,261,066.62/587,988.60
  6. Step 6: Final answer
    x = 756,011.70

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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.