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Finding the Fourth Proportional to 395,328,672.60, 592,993,008.90 and 108,114,336.60

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Solution

The fourth proportional to 395,328,672.60, 592,993,008.90 and 108,114,336.60 is: 162,171,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,328,672.60 : 592,993,008.90 = 108,114,336.60 : x
  2. Step 2: Convert to fraction form
    395,328,672.60/592,993,008.90 = 108,114,336.60/x
  3. Step 3: Cross multiply
    395,328,672.60x = 592,993,008.90 × 108,114,336.60
  4. Step 4: Simplify right side
    395,328,672.60x = 64,111,045,765,661,392
  5. Step 5: Solve for x
    x = 64,111,045,765,661,392/395,328,672.60
  6. Step 6: Final answer
    x = 162,171,504.90

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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.