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Finding the Fourth Proportional to 220,008.40, 329,429.40 and 173,352.40

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Solution

The fourth proportional to 220,008.40, 329,429.40 and 173,352.40 is: 259,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008.40 : 329,429.40 = 173,352.40 : x
  2. Step 2: Convert to fraction form
    220,008.40/329,429.40 = 173,352.40/x
  3. Step 3: Cross multiply
    220,008.40x = 329,429.40 × 173,352.40
  4. Step 4: Simplify right side
    220,008.40x = 57,107,377,120.56
  5. Step 5: Solve for x
    x = 57,107,377,120.56/220,008.40
  6. Step 6: Final answer
    x = 259,569.08

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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.