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Finding the Fourth Proportional to 462,601.89, 638,472.29 and 269,069.49

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Solution

The fourth proportional to 462,601.89, 638,472.29 and 269,069.49 is: 371,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,601.89 : 638,472.29 = 269,069.49 : x
  2. Step 2: Convert to fraction form
    462,601.89/638,472.29 = 269,069.49/x
  3. Step 3: Cross multiply
    462,601.89x = 638,472.29 × 269,069.49
  4. Step 4: Simplify right side
    462,601.89x = 171,793,412,104.09
  5. Step 5: Solve for x
    x = 171,793,412,104.09/462,601.89
  6. Step 6: Final answer
    x = 371,363.40

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1.5x scale

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.