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Finding the Fourth Proportional to 737,548.68, 1,017,755.16 and 451,013.40

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Solution

The fourth proportional to 737,548.68, 1,017,755.16 and 451,013.40 is: 622,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,548.68 : 1,017,755.16 = 451,013.40 : x
  2. Step 2: Convert to fraction form
    737,548.68/1,017,755.16 = 451,013.40/x
  3. Step 3: Cross multiply
    737,548.68x = 1,017,755.16 × 451,013.40
  4. Step 4: Simplify right side
    737,548.68x = 459,021,215,079.14
  5. Step 5: Solve for x
    x = 459,021,215,079.14/737,548.68
  6. Step 6: Final answer
    x = 622,360.57

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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.