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Finding the Fourth Proportional to 219,422.10, 329,133.15 and 183,992.70

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Solution

The fourth proportional to 219,422.10, 329,133.15 and 183,992.70 is: 275,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,422.10 : 329,133.15 = 183,992.70 : x
  2. Step 2: Convert to fraction form
    219,422.10/329,133.15 = 183,992.70/x
  3. Step 3: Cross multiply
    219,422.10x = 329,133.15 × 183,992.70
  4. Step 4: Simplify right side
    219,422.10x = 60,558,096,928.01
  5. Step 5: Solve for x
    x = 60,558,096,928.01/219,422.10
  6. Step 6: Final answer
    x = 275,989.05

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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.