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Finding the Fourth Proportional to 365,084.09, 503,816.05 and 203,939.15

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Solution

The fourth proportional to 365,084.09, 503,816.05 and 203,939.15 is: 281,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,084.09 : 503,816.05 = 203,939.15 : x
  2. Step 2: Convert to fraction form
    365,084.09/503,816.05 = 203,939.15/x
  3. Step 3: Cross multiply
    365,084.09x = 503,816.05 × 203,939.15
  4. Step 4: Simplify right side
    365,084.09x = 102,747,817,563.17
  5. Step 5: Solve for x
    x = 102,747,817,563.17/365,084.09
  6. Step 6: Final answer
    x = 281,436.03

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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.