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Finding the Fourth Proportional to 609,253.95, 840,658.40 and 351,094.70

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Solution

The fourth proportional to 609,253.95, 840,658.40 and 351,094.70 is: 484,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,253.95 : 840,658.40 = 351,094.70 : x
  2. Step 2: Convert to fraction form
    609,253.95/840,658.40 = 351,094.70/x
  3. Step 3: Cross multiply
    609,253.95x = 840,658.40 × 351,094.70
  4. Step 4: Simplify right side
    609,253.95x = 295,150,702,791.72
  5. Step 5: Solve for x
    x = 295,150,702,791.72/609,253.95
  6. Step 6: Final answer
    x = 484,446.11

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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.