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Finding the Fourth Proportional to 587,836.56, 881,813.40 and 188,377.20

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Solution

The fourth proportional to 587,836.56, 881,813.40 and 188,377.20 is: 282,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,836.56 : 881,813.40 = 188,377.20 : x
  2. Step 2: Convert to fraction form
    587,836.56/881,813.40 = 188,377.20/x
  3. Step 3: Cross multiply
    587,836.56x = 881,813.40 × 188,377.20
  4. Step 4: Simplify right side
    587,836.56x = 166,113,539,214.48
  5. Step 5: Solve for x
    x = 166,113,539,214.48/587,836.56
  6. Step 6: Final answer
    x = 282,584.57

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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.