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Finding the Fourth Proportional to 363,754,812.40, 545,632,218.60 and 179,610,505.90

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Solution

The fourth proportional to 363,754,812.40, 545,632,218.60 and 179,610,505.90 is: 269,415,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,754,812.40 : 545,632,218.60 = 179,610,505.90 : x
  2. Step 2: Convert to fraction form
    363,754,812.40/545,632,218.60 = 179,610,505.90/x
  3. Step 3: Cross multiply
    363,754,812.40x = 545,632,218.60 × 179,610,505.90
  4. Step 4: Simplify right side
    363,754,812.40x = 98,001,278,818,085,392
  5. Step 5: Solve for x
    x = 98,001,278,818,085,392/363,754,812.40
  6. Step 6: Final answer
    x = 269,415,758.85

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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.