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Finding the Fourth Proportional to 461,614.95, 637,134.92 and 270,689.85

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Solution

The fourth proportional to 461,614.95, 637,134.92 and 270,689.85 is: 373,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,614.95 : 637,134.92 = 270,689.85 : x
  2. Step 2: Convert to fraction form
    461,614.95/637,134.92 = 270,689.85/x
  3. Step 3: Cross multiply
    461,614.95x = 637,134.92 × 270,689.85
  4. Step 4: Simplify right side
    461,614.95x = 172,465,954,571.11
  5. Step 5: Solve for x
    x = 172,465,954,571.11/461,614.95
  6. Step 6: Final answer
    x = 373,614.32

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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.