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Finding the Fourth Proportional to 303,815,428.80, 455,735,584.80 and 88,404,676.80

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Solution

The fourth proportional to 303,815,428.80, 455,735,584.80 and 88,404,676.80 is: 132,610,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,815,428.80 : 455,735,584.80 = 88,404,676.80 : x
  2. Step 2: Convert to fraction form
    303,815,428.80/455,735,584.80 = 88,404,676.80/x
  3. Step 3: Cross multiply
    303,815,428.80x = 455,735,584.80 × 88,404,676.80
  4. Step 4: Simplify right side
    303,815,428.80x = 40,289,157,080,502,992
  5. Step 5: Solve for x
    x = 40,289,157,080,502,992/303,815,428.80
  6. Step 6: Final answer
    x = 132,610,635.48

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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.