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Finding the Fourth Proportional to 598,886.56, 826,465.78 and 326,960.45

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Solution

The fourth proportional to 598,886.56, 826,465.78 and 326,960.45 is: 451,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,886.56 : 826,465.78 = 326,960.45 : x
  2. Step 2: Convert to fraction form
    598,886.56/826,465.78 = 326,960.45/x
  3. Step 3: Cross multiply
    598,886.56x = 826,465.78 × 326,960.45
  4. Step 4: Simplify right side
    598,886.56x = 270,221,622,714.02
  5. Step 5: Solve for x
    x = 270,221,622,714.02/598,886.56
  6. Step 6: Final answer
    x = 451,206.69

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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.