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Finding the Fourth Proportional to 1,294,905.96, 1,942,918.45 and 695,166.77

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Solution

The fourth proportional to 1,294,905.96, 1,942,918.45 and 695,166.77 is: 1,043,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,905.96 : 1,942,918.45 = 695,166.77 : x
  2. Step 2: Convert to fraction form
    1,294,905.96/1,942,918.45 = 695,166.77/x
  3. Step 3: Cross multiply
    1,294,905.96x = 1,942,918.45 × 695,166.77
  4. Step 4: Simplify right side
    1,294,905.96x = 1,350,652,346,379.29
  5. Step 5: Solve for x
    x = 1,350,652,346,379.29/1,294,905.96
  6. Step 6: Final answer
    x = 1,043,050.53

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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.