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Finding the Fourth Proportional to 737,928.95, 1,017,994 and 431,817.56

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Solution

The fourth proportional to 737,928.95, 1,017,994 and 431,817.56 is: 595,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,928.95 : 1,017,994 = 431,817.56 : x
  2. Step 2: Convert to fraction form
    737,928.95/1,017,994 = 431,817.56/x
  3. Step 3: Cross multiply
    737,928.95x = 1,017,994 × 431,817.56
  4. Step 4: Simplify right side
    737,928.95x = 439,587,685,174.64
  5. Step 5: Solve for x
    x = 439,587,685,174.64/737,928.95
  6. Step 6: Final answer
    x = 595,704.62

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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.