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Finding the Fourth Proportional to 717,508,861.20, 1,074,562,680.60 and 717,508,861.20

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Solution

The fourth proportional to 717,508,861.20, 1,074,562,680.60 and 717,508,861.20 is: 1,074,562,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,508,861.20 : 1,074,562,680.60 = 717,508,861.20 : x
  2. Step 2: Convert to fraction form
    717,508,861.20/1,074,562,680.60 = 717,508,861.20/x
  3. Step 3: Cross multiply
    717,508,861.20x = 1,074,562,680.60 × 717,508,861.20
  4. Step 4: Simplify right side
    717,508,861.20x = 771,008,245,245,325,312
  5. Step 5: Solve for x
    x = 771,008,245,245,325,312/717,508,861.20
  6. Step 6: Final answer
    x = 1,074,562,680.60

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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.