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Finding the Fourth Proportional to 331,775,995.20, 497,663,992.80 and 331,775,995.20

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Solution

The fourth proportional to 331,775,995.20, 497,663,992.80 and 331,775,995.20 is: 497,663,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775,995.20 : 497,663,992.80 = 331,775,995.20 : x
  2. Step 2: Convert to fraction form
    331,775,995.20/497,663,992.80 = 331,775,995.20/x
  3. Step 3: Cross multiply
    331,775,995.20x = 497,663,992.80 × 331,775,995.20
  4. Step 4: Simplify right side
    331,775,995.20x = 165,112,966,486,425,632
  5. Step 5: Solve for x
    x = 165,112,966,486,425,632/331,775,995.20
  6. Step 6: Final answer
    x = 497,663,992.80

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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.