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Finding the Fourth Proportional to 548,935.70, 823,403.55 and 174,958.70

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Solution

The fourth proportional to 548,935.70, 823,403.55 and 174,958.70 is: 262,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,935.70 : 823,403.55 = 174,958.70 : x
  2. Step 2: Convert to fraction form
    548,935.70/823,403.55 = 174,958.70/x
  3. Step 3: Cross multiply
    548,935.70x = 823,403.55 × 174,958.70
  4. Step 4: Simplify right side
    548,935.70x = 144,061,614,683.39
  5. Step 5: Solve for x
    x = 144,061,614,683.39/548,935.70
  6. Step 6: Final answer
    x = 262,438.05

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Similar ratio
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1.5x scale

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.