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Finding the Fourth Proportional to 472,906.49, 652,625.33 and 268,986.74

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Solution

The fourth proportional to 472,906.49, 652,625.33 and 268,986.74 is: 371,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,906.49 : 652,625.33 = 268,986.74 : x
  2. Step 2: Convert to fraction form
    472,906.49/652,625.33 = 268,986.74/x
  3. Step 3: Cross multiply
    472,906.49x = 652,625.33 × 268,986.74
  4. Step 4: Simplify right side
    472,906.49x = 175,547,555,350.06
  5. Step 5: Solve for x
    x = 175,547,555,350.06/472,906.49
  6. Step 6: Final answer
    x = 371,209.87

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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.