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Finding the Fourth Proportional to 264,793,905.20, 396,435,030.60 and 264,793,905.20

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Solution

The fourth proportional to 264,793,905.20, 396,435,030.60 and 264,793,905.20 is: 396,435,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,793,905.20 : 396,435,030.60 = 264,793,905.20 : x
  2. Step 2: Convert to fraction form
    264,793,905.20/396,435,030.60 = 264,793,905.20/x
  3. Step 3: Cross multiply
    264,793,905.20x = 396,435,030.60 × 264,793,905.20
  4. Step 4: Simplify right side
    264,793,905.20x = 104,973,579,910,655,504
  5. Step 5: Solve for x
    x = 104,973,579,910,655,504/264,793,905.20
  6. Step 6: Final answer
    x = 396,435,030.60

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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.