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Finding the Fourth Proportional to 555,969.70, 833,947.26 and 135,245.98

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Solution

The fourth proportional to 555,969.70, 833,947.26 and 135,245.98 is: 202,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,969.70 : 833,947.26 = 135,245.98 : x
  2. Step 2: Convert to fraction form
    555,969.70/833,947.26 = 135,245.98/x
  3. Step 3: Cross multiply
    555,969.70x = 833,947.26 × 135,245.98
  4. Step 4: Simplify right side
    555,969.70x = 112,788,014,447.02
  5. Step 5: Solve for x
    x = 112,788,014,447.02/555,969.70
  6. Step 6: Final answer
    x = 202,867.20

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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.