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Finding the Fourth Proportional to 265,734,167.80, 398,601,251.70 and 228,745,874.20

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Solution

The fourth proportional to 265,734,167.80, 398,601,251.70 and 228,745,874.20 is: 343,118,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734,167.80 : 398,601,251.70 = 228,745,874.20 : x
  2. Step 2: Convert to fraction form
    265,734,167.80/398,601,251.70 = 228,745,874.20/x
  3. Step 3: Cross multiply
    265,734,167.80x = 398,601,251.70 × 228,745,874.20
  4. Step 4: Simplify right side
    265,734,167.80x = 91,178,391,777,330,736
  5. Step 5: Solve for x
    x = 91,178,391,777,330,736/265,734,167.80
  6. Step 6: Final answer
    x = 343,118,811.30

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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.