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Finding the Fourth Proportional to 488,174,796.92, 673,291,420.92 and 321,082,594.92

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Solution

The fourth proportional to 488,174,796.92, 673,291,420.92 and 321,082,594.92 is: 442,837,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,174,796.92 : 673,291,420.92 = 321,082,594.92 : x
  2. Step 2: Convert to fraction form
    488,174,796.92/673,291,420.92 = 321,082,594.92/x
  3. Step 3: Cross multiply
    488,174,796.92x = 673,291,420.92 × 321,082,594.92
  4. Step 4: Simplify right side
    488,174,796.92x = 216,182,156,566,367,584
  5. Step 5: Solve for x
    x = 216,182,156,566,367,584/488,174,796.92
  6. Step 6: Final answer
    x = 442,837,602.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.