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Finding the Fourth Proportional to 587,615.40, 881,568.90 and 166,890.60

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Solution

The fourth proportional to 587,615.40, 881,568.90 and 166,890.60 is: 250,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,615.40 : 881,568.90 = 166,890.60 : x
  2. Step 2: Convert to fraction form
    587,615.40/881,568.90 = 166,890.60/x
  3. Step 3: Cross multiply
    587,615.40x = 881,568.90 × 166,890.60
  4. Step 4: Simplify right side
    587,615.40x = 147,125,562,662.34
  5. Step 5: Solve for x
    x = 147,125,562,662.34/587,615.40
  6. Step 6: Final answer
    x = 250,377.31

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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.