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Finding the Fourth Proportional to 587,137.20, 880,619.40 and 166,455.60

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Solution

The fourth proportional to 587,137.20, 880,619.40 and 166,455.60 is: 249,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,137.20 : 880,619.40 = 166,455.60 : x
  2. Step 2: Convert to fraction form
    587,137.20/880,619.40 = 166,455.60/x
  3. Step 3: Cross multiply
    587,137.20x = 880,619.40 × 166,455.60
  4. Step 4: Simplify right side
    587,137.20x = 146,584,030,598.64
  5. Step 5: Solve for x
    x = 146,584,030,598.64/587,137.20
  6. Step 6: Final answer
    x = 249,658.91

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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.