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Finding the Fourth Proportional to 737,135.04, 1,105,002 and 288,143.76

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Solution

The fourth proportional to 737,135.04, 1,105,002 and 288,143.76 is: 431,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,135.04 : 1,105,002 = 288,143.76 : x
  2. Step 2: Convert to fraction form
    737,135.04/1,105,002 = 288,143.76/x
  3. Step 3: Cross multiply
    737,135.04x = 1,105,002 × 288,143.76
  4. Step 4: Simplify right side
    737,135.04x = 318,399,431,087.52
  5. Step 5: Solve for x
    x = 318,399,431,087.52/737,135.04
  6. Step 6: Final answer
    x = 431,941.79

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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.