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Finding the Fourth Proportional to 460,924,163.40, 691,386,245.10 and 460,924,163.40

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Solution

The fourth proportional to 460,924,163.40, 691,386,245.10 and 460,924,163.40 is: 691,386,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,924,163.40 : 691,386,245.10 = 460,924,163.40 : x
  2. Step 2: Convert to fraction form
    460,924,163.40/691,386,245.10 = 460,924,163.40/x
  3. Step 3: Cross multiply
    460,924,163.40x = 691,386,245.10 × 460,924,163.40
  4. Step 4: Simplify right side
    460,924,163.40x = 318,676,626,608,984,832
  5. Step 5: Solve for x
    x = 318,676,626,608,984,832/460,924,163.40
  6. Step 6: Final answer
    x = 691,386,245.10

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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.