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Finding the Fourth Proportional to 442,671.60, 664,007.40 and 110,247.60

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Solution

The fourth proportional to 442,671.60, 664,007.40 and 110,247.60 is: 165,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,671.60 : 664,007.40 = 110,247.60 : x
  2. Step 2: Convert to fraction form
    442,671.60/664,007.40 = 110,247.60/x
  3. Step 3: Cross multiply
    442,671.60x = 664,007.40 × 110,247.60
  4. Step 4: Simplify right side
    442,671.60x = 73,205,222,232.24
  5. Step 5: Solve for x
    x = 73,205,222,232.24/442,671.60
  6. Step 6: Final answer
    x = 165,371.40

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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.