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Finding the Fourth Proportional to 367,531,321.20, 514,926,487.20 and 367,531,321.20

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Solution

The fourth proportional to 367,531,321.20, 514,926,487.20 and 367,531,321.20 is: 514,926,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,531,321.20 : 514,926,487.20 = 367,531,321.20 : x
  2. Step 2: Convert to fraction form
    367,531,321.20/514,926,487.20 = 367,531,321.20/x
  3. Step 3: Cross multiply
    367,531,321.20x = 514,926,487.20 × 367,531,321.20
  4. Step 4: Simplify right side
    367,531,321.20x = 189,251,612,161,490,880
  5. Step 5: Solve for x
    x = 189,251,612,161,490,880/367,531,321.20
  6. Step 6: Final answer
    x = 514,926,487.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.