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Finding the Fourth Proportional to 219,203.10, 329,193.45 and 169,404.30

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Solution

The fourth proportional to 219,203.10, 329,193.45 and 169,404.30 is: 254,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,203.10 : 329,193.45 = 169,404.30 : x
  2. Step 2: Convert to fraction form
    219,203.10/329,193.45 = 169,404.30/x
  3. Step 3: Cross multiply
    219,203.10x = 329,193.45 × 169,404.30
  4. Step 4: Simplify right side
    219,203.10x = 55,766,785,961.84
  5. Step 5: Solve for x
    x = 55,766,785,961.84/219,203.10
  6. Step 6: Final answer
    x = 254,406.92

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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.