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Finding the Fourth Proportional to 219,616.20, 329,424.30 and 192,497.40

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Solution

The fourth proportional to 219,616.20, 329,424.30 and 192,497.40 is: 288,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,616.20 : 329,424.30 = 192,497.40 : x
  2. Step 2: Convert to fraction form
    219,616.20/329,424.30 = 192,497.40/x
  3. Step 3: Cross multiply
    219,616.20x = 329,424.30 × 192,497.40
  4. Step 4: Simplify right side
    219,616.20x = 63,413,321,246.82
  5. Step 5: Solve for x
    x = 63,413,321,246.82/219,616.20
  6. Step 6: Final answer
    x = 288,746.10

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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.