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Finding the Fourth Proportional to 587,967.30, 881,955.81 and 188,611.38

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Solution

The fourth proportional to 587,967.30, 881,955.81 and 188,611.38 is: 282,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,967.30 : 881,955.81 = 188,611.38 : x
  2. Step 2: Convert to fraction form
    587,967.30/881,955.81 = 188,611.38/x
  3. Step 3: Cross multiply
    587,967.30x = 881,955.81 × 188,611.38
  4. Step 4: Simplify right side
    587,967.30x = 166,346,902,423.12
  5. Step 5: Solve for x
    x = 166,346,902,423.12/587,967.30
  6. Step 6: Final answer
    x = 282,918.63

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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.