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Finding the Fourth Proportional to 296,674.60, 444,815.10 and 163,618.60

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Solution

The fourth proportional to 296,674.60, 444,815.10 and 163,618.60 is: 245,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,674.60 : 444,815.10 = 163,618.60 : x
  2. Step 2: Convert to fraction form
    296,674.60/444,815.10 = 163,618.60/x
  3. Step 3: Cross multiply
    296,674.60x = 444,815.10 × 163,618.60
  4. Step 4: Simplify right side
    296,674.60x = 72,780,023,920.86
  5. Step 5: Solve for x
    x = 72,780,023,920.86/296,674.60
  6. Step 6: Final answer
    x = 245,319.36

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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.