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Finding the Fourth Proportional to 219,545.73, 329,844.02 and 140,813.73

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Solution

The fourth proportional to 219,545.73, 329,844.02 and 140,813.73 is: 211,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,545.73 : 329,844.02 = 140,813.73 : x
  2. Step 2: Convert to fraction form
    219,545.73/329,844.02 = 140,813.73/x
  3. Step 3: Cross multiply
    219,545.73x = 329,844.02 × 140,813.73
  4. Step 4: Simplify right side
    219,545.73x = 46,446,566,070.33
  5. Step 5: Solve for x
    x = 46,446,566,070.33/219,545.73
  6. Step 6: Final answer
    x = 211,557.59

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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.