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Finding the Fourth Proportional to 2,486,676, 3,730,014 and 803,779.50

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Solution

The fourth proportional to 2,486,676, 3,730,014 and 803,779.50 is: 1,205,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,676 : 3,730,014 = 803,779.50 : x
  2. Step 2: Convert to fraction form
    2,486,676/3,730,014 = 803,779.50/x
  3. Step 3: Cross multiply
    2,486,676x = 3,730,014 × 803,779.50
  4. Step 4: Simplify right side
    2,486,676x = 2,998,108,787,913
  5. Step 5: Solve for x
    x = 2,998,108,787,913/2,486,676
  6. Step 6: Final answer
    x = 1,205,669.25

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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.