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Finding the Fourth Proportional to 392,292,008.58, 541,362,969.81 and 227,375,237.46

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Solution

The fourth proportional to 392,292,008.58, 541,362,969.81 and 227,375,237.46 is: 313,777,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,292,008.58 : 541,362,969.81 = 227,375,237.46 : x
  2. Step 2: Convert to fraction form
    392,292,008.58/541,362,969.81 = 227,375,237.46/x
  3. Step 3: Cross multiply
    392,292,008.58x = 541,362,969.81 × 227,375,237.46
  4. Step 4: Simplify right side
    392,292,008.58x = 123,092,533,812,599,552
  5. Step 5: Solve for x
    x = 123,092,533,812,599,552/392,292,008.58
  6. Step 6: Final answer
    x = 313,777,826.52

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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.