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Finding the Fourth Proportional to 692,195.46, 955,227.95 and 386,268.64

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Solution

The fourth proportional to 692,195.46, 955,227.95 and 386,268.64 is: 533,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,195.46 : 955,227.95 = 386,268.64 : x
  2. Step 2: Convert to fraction form
    692,195.46/955,227.95 = 386,268.64/x
  3. Step 3: Cross multiply
    692,195.46x = 955,227.95 × 386,268.64
  4. Step 4: Simplify right side
    692,195.46x = 368,974,601,136.49
  5. Step 5: Solve for x
    x = 368,974,601,136.49/692,195.46
  6. Step 6: Final answer
    x = 533,049.73

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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.