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Finding the Fourth Proportional to 329,092.23, 493,540.53 and 139,549.80

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Solution

The fourth proportional to 329,092.23, 493,540.53 and 139,549.80 is: 209,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,092.23 : 493,540.53 = 139,549.80 : x
  2. Step 2: Convert to fraction form
    329,092.23/493,540.53 = 139,549.80/x
  3. Step 3: Cross multiply
    329,092.23x = 493,540.53 × 139,549.80
  4. Step 4: Simplify right side
    329,092.23x = 68,873,482,253.39
  5. Step 5: Solve for x
    x = 68,873,482,253.39/329,092.23
  6. Step 6: Final answer
    x = 209,283.22

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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.