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Finding the Fourth Proportional to 358,258.37, 536,980.15 and 187,216.37

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Solution

The fourth proportional to 358,258.37, 536,980.15 and 187,216.37 is: 280,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,258.37 : 536,980.15 = 187,216.37 : x
  2. Step 2: Convert to fraction form
    358,258.37/536,980.15 = 187,216.37/x
  3. Step 3: Cross multiply
    358,258.37x = 536,980.15 × 187,216.37
  4. Step 4: Simplify right side
    358,258.37x = 100,531,474,358.88
  5. Step 5: Solve for x
    x = 100,531,474,358.88/358,258.37
  6. Step 6: Final answer
    x = 280,611.66

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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.