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Finding the Fourth Proportional to 569,646,500.80, 854,469,751.20 and 354,655,652.80

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Solution

The fourth proportional to 569,646,500.80, 854,469,751.20 and 354,655,652.80 is: 531,983,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,646,500.80 : 854,469,751.20 = 354,655,652.80 : x
  2. Step 2: Convert to fraction form
    569,646,500.80/854,469,751.20 = 354,655,652.80/x
  3. Step 3: Cross multiply
    569,646,500.80x = 854,469,751.20 × 354,655,652.80
  4. Step 4: Simplify right side
    569,646,500.80x = 303,042,527,409,689,600
  5. Step 5: Solve for x
    x = 303,042,527,409,689,600/569,646,500.80
  6. Step 6: Final answer
    x = 531,983,479.20

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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.