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Finding the Fourth Proportional to 483,966.84, 667,778.52 and 292,998

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Solution

The fourth proportional to 483,966.84, 667,778.52 and 292,998 is: 404,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,966.84 : 667,778.52 = 292,998 : x
  2. Step 2: Convert to fraction form
    483,966.84/667,778.52 = 292,998/x
  3. Step 3: Cross multiply
    483,966.84x = 667,778.52 × 292,998
  4. Step 4: Simplify right side
    483,966.84x = 195,657,770,802.96
  5. Step 5: Solve for x
    x = 195,657,770,802.96/483,966.84
  6. Step 6: Final answer
    x = 404,279.29

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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.