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Finding the Fourth Proportional to 577,448,052.60, 866,172,078.90 and 347,865,540.60

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Solution

The fourth proportional to 577,448,052.60, 866,172,078.90 and 347,865,540.60 is: 521,798,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,448,052.60 : 866,172,078.90 = 347,865,540.60 : x
  2. Step 2: Convert to fraction form
    577,448,052.60/866,172,078.90 = 347,865,540.60/x
  3. Step 3: Cross multiply
    577,448,052.60x = 866,172,078.90 × 347,865,540.60
  4. Step 4: Simplify right side
    577,448,052.60x = 301,311,418,479,174,336
  5. Step 5: Solve for x
    x = 301,311,418,479,174,336/577,448,052.60
  6. Step 6: Final answer
    x = 521,798,310.90

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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.