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Finding the Fourth Proportional to 265,220,593.76, 363,353,978.21 and 255,279,924.24

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Solution

The fourth proportional to 265,220,593.76, 363,353,978.21 and 255,279,924.24 is: 349,735,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,220,593.76 : 363,353,978.21 = 255,279,924.24 : x
  2. Step 2: Convert to fraction form
    265,220,593.76/363,353,978.21 = 255,279,924.24/x
  3. Step 3: Cross multiply
    265,220,593.76x = 363,353,978.21 × 255,279,924.24
  4. Step 4: Simplify right side
    265,220,593.76x = 92,756,976,028,475,008
  5. Step 5: Solve for x
    x = 92,756,976,028,475,008/265,220,593.76
  6. Step 6: Final answer
    x = 349,735,194.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.