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Finding the Fourth Proportional to 336,996,503.80, 505,494,755.70 and 282,576,945.40

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Solution

The fourth proportional to 336,996,503.80, 505,494,755.70 and 282,576,945.40 is: 423,865,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,996,503.80 : 505,494,755.70 = 282,576,945.40 : x
  2. Step 2: Convert to fraction form
    336,996,503.80/505,494,755.70 = 282,576,945.40/x
  3. Step 3: Cross multiply
    336,996,503.80x = 505,494,755.70 × 282,576,945.40
  4. Step 4: Simplify right side
    336,996,503.80x = 142,841,163,981,425,216
  5. Step 5: Solve for x
    x = 142,841,163,981,425,216/336,996,503.80
  6. Step 6: Final answer
    x = 423,865,418.10

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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.