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Finding the Fourth Proportional to 382,752,003.20, 574,128,004.80 and 382,752,003.20

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Solution

The fourth proportional to 382,752,003.20, 574,128,004.80 and 382,752,003.20 is: 574,128,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,752,003.20 : 574,128,004.80 = 382,752,003.20 : x
  2. Step 2: Convert to fraction form
    382,752,003.20/574,128,004.80 = 382,752,003.20/x
  3. Step 3: Cross multiply
    382,752,003.20x = 574,128,004.80 × 382,752,003.20
  4. Step 4: Simplify right side
    382,752,003.20x = 219,748,643,930,419,200
  5. Step 5: Solve for x
    x = 219,748,643,930,419,200/382,752,003.20
  6. Step 6: Final answer
    x = 574,128,004.80

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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.