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Finding the Fourth Proportional to 576,311,003.08, 864,810,793.71 and 529,422,865.52

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Solution

The fourth proportional to 576,311,003.08, 864,810,793.71 and 529,422,865.52 is: 794,450,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,311,003.08 : 864,810,793.71 = 529,422,865.52 : x
  2. Step 2: Convert to fraction form
    576,311,003.08/864,810,793.71 = 529,422,865.52/x
  3. Step 3: Cross multiply
    576,311,003.08x = 864,810,793.71 × 529,422,865.52
  4. Step 4: Simplify right side
    576,311,003.08x = 457,850,608,534,249,728
  5. Step 5: Solve for x
    x = 457,850,608,534,249,728/576,311,003.08
  6. Step 6: Final answer
    x = 794,450,576.32

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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.