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Finding the Fourth Proportional to 1,788,741.67, 2,682,770.22 and 694,526.53

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Solution

The fourth proportional to 1,788,741.67, 2,682,770.22 and 694,526.53 is: 1,041,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,741.67 : 2,682,770.22 = 694,526.53 : x
  2. Step 2: Convert to fraction form
    1,788,741.67/2,682,770.22 = 694,526.53/x
  3. Step 3: Cross multiply
    1,788,741.67x = 2,682,770.22 × 694,526.53
  4. Step 4: Simplify right side
    1,788,741.67x = 1,863,255,091,683.94
  5. Step 5: Solve for x
    x = 1,863,255,091,683.94/1,788,741.67
  6. Step 6: Final answer
    x = 1,041,656.89

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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.