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Finding the Fourth Proportional to 329,273.84, 454,554.96 and 220,565.36

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Solution

The fourth proportional to 329,273.84, 454,554.96 and 220,565.36 is: 304,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,273.84 : 454,554.96 = 220,565.36 : x
  2. Step 2: Convert to fraction form
    329,273.84/454,554.96 = 220,565.36/x
  3. Step 3: Cross multiply
    329,273.84x = 454,554.96 × 220,565.36
  4. Step 4: Simplify right side
    329,273.84x = 100,259,078,392.19
  5. Step 5: Solve for x
    x = 100,259,078,392.19/329,273.84
  6. Step 6: Final answer
    x = 304,485.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.