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Finding the Fourth Proportional to 3,166,254.83, 4,749,766.56 and 891,779.22

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Solution

The fourth proportional to 3,166,254.83, 4,749,766.56 and 891,779.22 is: 1,337,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,254.83 : 4,749,766.56 = 891,779.22 : x
  2. Step 2: Convert to fraction form
    3,166,254.83/4,749,766.56 = 891,779.22/x
  3. Step 3: Cross multiply
    3,166,254.83x = 4,749,766.56 × 891,779.22
  4. Step 4: Simplify right side
    3,166,254.83x = 4,235,743,126,795.48
  5. Step 5: Solve for x
    x = 4,235,743,126,795.48/3,166,254.83
  6. Step 6: Final answer
    x = 1,337,777.07

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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.