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Finding the Fourth Proportional to 219,634.20, 329,451.30 and 219,634.20

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Solution

The fourth proportional to 219,634.20, 329,451.30 and 219,634.20 is: 329,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,634.20 : 329,451.30 = 219,634.20 : x
  2. Step 2: Convert to fraction form
    219,634.20/329,451.30 = 219,634.20/x
  3. Step 3: Cross multiply
    219,634.20x = 329,451.30 × 219,634.20
  4. Step 4: Simplify right side
    219,634.20x = 72,358,772,714.46
  5. Step 5: Solve for x
    x = 72,358,772,714.46/219,634.20
  6. Step 6: Final answer
    x = 329,451.30

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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.