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Finding the Fourth Proportional to 598,567.78, 826,040.97 and 326,653.18

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Solution

The fourth proportional to 598,567.78, 826,040.97 and 326,653.18 is: 450,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,567.78 : 826,040.97 = 326,653.18 : x
  2. Step 2: Convert to fraction form
    598,567.78/826,040.97 = 326,653.18/x
  3. Step 3: Cross multiply
    598,567.78x = 826,040.97 × 326,653.18
  4. Step 4: Simplify right side
    598,567.78x = 269,828,909,660.79
  5. Step 5: Solve for x
    x = 269,828,909,660.79/598,567.78
  6. Step 6: Final answer
    x = 450,790.91

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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.