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Finding the Fourth Proportional to 496,995,779.80, 745,493,669.70 and 169,362,403.30

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Solution

The fourth proportional to 496,995,779.80, 745,493,669.70 and 169,362,403.30 is: 254,043,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,995,779.80 : 745,493,669.70 = 169,362,403.30 : x
  2. Step 2: Convert to fraction form
    496,995,779.80/745,493,669.70 = 169,362,403.30/x
  3. Step 3: Cross multiply
    496,995,779.80x = 745,493,669.70 × 169,362,403.30
  4. Step 4: Simplify right side
    496,995,779.80x = 126,258,599,545,328,400
  5. Step 5: Solve for x
    x = 126,258,599,545,328,400/496,995,779.80
  6. Step 6: Final answer
    x = 254,043,604.95

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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.