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Finding the Fourth Proportional to 219,304.20, 329,033.10 and 211,624.20

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Solution

The fourth proportional to 219,304.20, 329,033.10 and 211,624.20 is: 317,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,304.20 : 329,033.10 = 211,624.20 : x
  2. Step 2: Convert to fraction form
    219,304.20/329,033.10 = 211,624.20/x
  3. Step 3: Cross multiply
    219,304.20x = 329,033.10 × 211,624.20
  4. Step 4: Simplify right side
    219,304.20x = 69,631,366,561.02
  5. Step 5: Solve for x
    x = 69,631,366,561.02/219,304.20
  6. Step 6: Final answer
    x = 317,510.41

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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.