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Finding the Fourth Proportional to 296,716.60, 444,878.10 and 163,660.60

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Solution

The fourth proportional to 296,716.60, 444,878.10 and 163,660.60 is: 245,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,716.60 : 444,878.10 = 163,660.60 : x
  2. Step 2: Convert to fraction form
    296,716.60/444,878.10 = 163,660.60/x
  3. Step 3: Cross multiply
    296,716.60x = 444,878.10 × 163,660.60
  4. Step 4: Simplify right side
    296,716.60x = 72,809,016,772.86
  5. Step 5: Solve for x
    x = 72,809,016,772.86/296,716.60
  6. Step 6: Final answer
    x = 245,382.35

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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.