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Finding the Fourth Proportional to 220,020.40, 329,447.40 and 173,364.40

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Solution

The fourth proportional to 220,020.40, 329,447.40 and 173,364.40 is: 259,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,020.40 : 329,447.40 = 173,364.40 : x
  2. Step 2: Convert to fraction form
    220,020.40/329,447.40 = 173,364.40/x
  3. Step 3: Cross multiply
    220,020.40x = 329,447.40 × 173,364.40
  4. Step 4: Simplify right side
    220,020.40x = 57,114,450,832.56
  5. Step 5: Solve for x
    x = 57,114,450,832.56/220,020.40
  6. Step 6: Final answer
    x = 259,587.07

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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.