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Finding the Fourth Proportional to 565,280,003.20, 847,920,004.80 and 323,415,299.20

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Solution

The fourth proportional to 565,280,003.20, 847,920,004.80 and 323,415,299.20 is: 485,122,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,280,003.20 : 847,920,004.80 = 323,415,299.20 : x
  2. Step 2: Convert to fraction form
    565,280,003.20/847,920,004.80 = 323,415,299.20/x
  3. Step 3: Cross multiply
    565,280,003.20x = 847,920,004.80 × 323,415,299.20
  4. Step 4: Simplify right side
    565,280,003.20x = 274,230,302,050,057,408
  5. Step 5: Solve for x
    x = 274,230,302,050,057,408/565,280,003.20
  6. Step 6: Final answer
    x = 485,122,948.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.