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Finding the Fourth Proportional to 612,268.43, 844,940.55 and 336,637.94

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Solution

The fourth proportional to 612,268.43, 844,940.55 and 336,637.94 is: 464,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,268.43 : 844,940.55 = 336,637.94 : x
  2. Step 2: Convert to fraction form
    612,268.43/844,940.55 = 336,637.94/x
  3. Step 3: Cross multiply
    612,268.43x = 844,940.55 × 336,637.94
  4. Step 4: Simplify right side
    612,268.43x = 284,439,046,174.47
  5. Step 5: Solve for x
    x = 284,439,046,174.47/612,268.43
  6. Step 6: Final answer
    x = 464,565.92

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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.