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Finding the Fourth Proportional to 486,053.33, 670,722.12 and 268,263.97

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Solution

The fourth proportional to 486,053.33, 670,722.12 and 268,263.97 is: 370,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,053.33 : 670,722.12 = 268,263.97 : x
  2. Step 2: Convert to fraction form
    486,053.33/670,722.12 = 268,263.97/x
  3. Step 3: Cross multiply
    486,053.33x = 670,722.12 × 268,263.97
  4. Step 4: Simplify right side
    486,053.33x = 179,930,577,001.21
  5. Step 5: Solve for x
    x = 179,930,577,001.21/486,053.33
  6. Step 6: Final answer
    x = 370,186.91

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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.