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Finding the Fourth Proportional to 354,523.50, 489,243.96 and 193,382.04

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Solution

The fourth proportional to 354,523.50, 489,243.96 and 193,382.04 is: 266,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,523.50 : 489,243.96 = 193,382.04 : x
  2. Step 2: Convert to fraction form
    354,523.50/489,243.96 = 193,382.04/x
  3. Step 3: Cross multiply
    354,523.50x = 489,243.96 × 193,382.04
  4. Step 4: Simplify right side
    354,523.50x = 94,610,995,042.48
  5. Step 5: Solve for x
    x = 94,610,995,042.48/354,523.50
  6. Step 6: Final answer
    x = 266,868.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.