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Finding the Fourth Proportional to 576,274,217.40, 864,281,952.90 and 265,082,961.24

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Solution

The fourth proportional to 576,274,217.40, 864,281,952.90 and 265,082,961.24 is: 397,564,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,274,217.40 : 864,281,952.90 = 265,082,961.24 : x
  2. Step 2: Convert to fraction form
    576,274,217.40/864,281,952.90 = 265,082,961.24/x
  3. Step 3: Cross multiply
    576,274,217.40x = 864,281,952.90 × 265,082,961.24
  4. Step 4: Simplify right side
    576,274,217.40x = 229,106,419,421,022,208
  5. Step 5: Solve for x
    x = 229,106,419,421,022,208/576,274,217.40
  6. Step 6: Final answer
    x = 397,564,930.90

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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.