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Finding the Fourth Proportional to 555,138.97, 832,690.53 and 235,205.37

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Solution

The fourth proportional to 555,138.97, 832,690.53 and 235,205.37 is: 352,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,138.97 : 832,690.53 = 235,205.37 : x
  2. Step 2: Convert to fraction form
    555,138.97/832,690.53 = 235,205.37/x
  3. Step 3: Cross multiply
    555,138.97x = 832,690.53 × 235,205.37
  4. Step 4: Simplify right side
    555,138.97x = 195,853,284,204.15
  5. Step 5: Solve for x
    x = 195,853,284,204.15/555,138.97
  6. Step 6: Final answer
    x = 352,800.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.