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Finding the Fourth Proportional to 264,260,218.20, 396,390,327.30 and 264,260,218.20

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Solution

The fourth proportional to 264,260,218.20, 396,390,327.30 and 264,260,218.20 is: 396,390,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,260,218.20 : 396,390,327.30 = 264,260,218.20 : x
  2. Step 2: Convert to fraction form
    264,260,218.20/396,390,327.30 = 264,260,218.20/x
  3. Step 3: Cross multiply
    264,260,218.20x = 396,390,327.30 × 264,260,218.20
  4. Step 4: Simplify right side
    264,260,218.20x = 104,750,194,384,667,408
  5. Step 5: Solve for x
    x = 104,750,194,384,667,408/264,260,218.20
  6. Step 6: Final answer
    x = 396,390,327.30

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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.