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Finding the Fourth Proportional to 1,349,045, 1,861,706.42 and 737,223.54

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Solution

The fourth proportional to 1,349,045, 1,861,706.42 and 737,223.54 is: 1,017,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,045 : 1,861,706.42 = 737,223.54 : x
  2. Step 2: Convert to fraction form
    1,349,045/1,861,706.42 = 737,223.54/x
  3. Step 3: Cross multiply
    1,349,045x = 1,861,706.42 × 737,223.54
  4. Step 4: Simplify right side
    1,349,045x = 1,372,493,797,393.13
  5. Step 5: Solve for x
    x = 1,372,493,797,393.13/1,349,045
  6. Step 6: Final answer
    x = 1,017,381.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.