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Finding the Fourth Proportional to 441,674.60, 662,511.90 and 109,250.60

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Solution

The fourth proportional to 441,674.60, 662,511.90 and 109,250.60 is: 163,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,674.60 : 662,511.90 = 109,250.60 : x
  2. Step 2: Convert to fraction form
    441,674.60/662,511.90 = 109,250.60/x
  3. Step 3: Cross multiply
    441,674.60x = 662,511.90 × 109,250.60
  4. Step 4: Simplify right side
    441,674.60x = 72,379,822,582.14
  5. Step 5: Solve for x
    x = 72,379,822,582.14/441,674.60
  6. Step 6: Final answer
    x = 163,875.90

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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.