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Finding the Fourth Proportional to 1,294,921.66, 1,942,559.76 and 441,764.25

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Solution

The fourth proportional to 1,294,921.66, 1,942,559.76 and 441,764.25 is: 662,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,921.66 : 1,942,559.76 = 441,764.25 : x
  2. Step 2: Convert to fraction form
    1,294,921.66/1,942,559.76 = 441,764.25/x
  3. Step 3: Cross multiply
    1,294,921.66x = 1,942,559.76 × 441,764.25
  4. Step 4: Simplify right side
    1,294,921.66x = 858,153,455,456.58
  5. Step 5: Solve for x
    x = 858,153,455,456.58/1,294,921.66
  6. Step 6: Final answer
    x = 662,706.85

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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.