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Finding the Fourth Proportional to 264,452,559.60, 396,678,839.40 and 191,893,148.40

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Solution

The fourth proportional to 264,452,559.60, 396,678,839.40 and 191,893,148.40 is: 287,839,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,452,559.60 : 396,678,839.40 = 191,893,148.40 : x
  2. Step 2: Convert to fraction form
    264,452,559.60/396,678,839.40 = 191,893,148.40/x
  3. Step 3: Cross multiply
    264,452,559.60x = 396,678,839.40 × 191,893,148.40
  4. Step 4: Simplify right side
    264,452,559.60x = 76,119,951,396,123,968
  5. Step 5: Solve for x
    x = 76,119,951,396,123,968/264,452,559.60
  6. Step 6: Final answer
    x = 287,839,722.60

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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.