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Finding the Fourth Proportional to 496,693,117.80, 745,039,676.70 and 169,059,741.30

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Solution

The fourth proportional to 496,693,117.80, 745,039,676.70 and 169,059,741.30 is: 253,589,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,693,117.80 : 745,039,676.70 = 169,059,741.30 : x
  2. Step 2: Convert to fraction form
    496,693,117.80/745,039,676.70 = 169,059,741.30/x
  3. Step 3: Cross multiply
    496,693,117.80x = 745,039,676.70 × 169,059,741.30
  4. Step 4: Simplify right side
    496,693,117.80x = 125,956,215,001,137,648
  5. Step 5: Solve for x
    x = 125,956,215,001,137,648/496,693,117.80
  6. Step 6: Final answer
    x = 253,589,611.95

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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.