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Finding the Fourth Proportional to 323,144.39, 484,938 and 112,782.33

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Solution

The fourth proportional to 323,144.39, 484,938 and 112,782.33 is: 169,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,144.39 : 484,938 = 112,782.33 : x
  2. Step 2: Convert to fraction form
    323,144.39/484,938 = 112,782.33/x
  3. Step 3: Cross multiply
    323,144.39x = 484,938 × 112,782.33
  4. Step 4: Simplify right side
    323,144.39x = 54,692,437,545.54
  5. Step 5: Solve for x
    x = 54,692,437,545.54/323,144.39
  6. Step 6: Final answer
    x = 169,250.77

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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.