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Finding the Fourth Proportional to 410,100.60, 615,237.30 and 173,321.40

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Solution

The fourth proportional to 410,100.60, 615,237.30 and 173,321.40 is: 260,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,100.60 : 615,237.30 = 173,321.40 : x
  2. Step 2: Convert to fraction form
    410,100.60/615,237.30 = 173,321.40/x
  3. Step 3: Cross multiply
    410,100.60x = 615,237.30 × 173,321.40
  4. Step 4: Simplify right side
    410,100.60x = 106,633,790,168.22
  5. Step 5: Solve for x
    x = 106,633,790,168.22/410,100.60
  6. Step 6: Final answer
    x = 260,018.62

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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.