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Finding the Fourth Proportional to 219,383.80, 329,075.70 and 202,276.60

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Solution

The fourth proportional to 219,383.80, 329,075.70 and 202,276.60 is: 303,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,383.80 : 329,075.70 = 202,276.60 : x
  2. Step 2: Convert to fraction form
    219,383.80/329,075.70 = 202,276.60/x
  3. Step 3: Cross multiply
    219,383.80x = 329,075.70 × 202,276.60
  4. Step 4: Simplify right side
    219,383.80x = 66,564,313,738.62
  5. Step 5: Solve for x
    x = 66,564,313,738.62/219,383.80
  6. Step 6: Final answer
    x = 303,414.90

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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.