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Finding the Fourth Proportional to 335,930,679.60, 503,820,397.80 and 120,519,927.60

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Solution

The fourth proportional to 335,930,679.60, 503,820,397.80 and 120,519,927.60 is: 180,752,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,930,679.60 : 503,820,397.80 = 120,519,927.60 : x
  2. Step 2: Convert to fraction form
    335,930,679.60/503,820,397.80 = 120,519,927.60/x
  3. Step 3: Cross multiply
    335,930,679.60x = 503,820,397.80 × 120,519,927.60
  4. Step 4: Simplify right side
    335,930,679.60x = 60,720,397,866,259,200
  5. Step 5: Solve for x
    x = 60,720,397,866,259,200/335,930,679.60
  6. Step 6: Final answer
    x = 180,752,761.07

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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.