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Finding the Fourth Proportional to 219,027.10, 306,845.30 and 219,027.10

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Solution

The fourth proportional to 219,027.10, 306,845.30 and 219,027.10 is: 306,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.10 : 306,845.30 = 219,027.10 : x
  2. Step 2: Convert to fraction form
    219,027.10/306,845.30 = 219,027.10/x
  3. Step 3: Cross multiply
    219,027.10x = 306,845.30 × 219,027.10
  4. Step 4: Simplify right side
    219,027.10x = 67,207,436,207.63
  5. Step 5: Solve for x
    x = 67,207,436,207.63/219,027.10
  6. Step 6: Final answer
    x = 306,845.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.