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Finding the Fourth Proportional to 202,337.40, 303,506.10 and 185,278.80

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Solution

The fourth proportional to 202,337.40, 303,506.10 and 185,278.80 is: 277,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,337.40 : 303,506.10 = 185,278.80 : x
  2. Step 2: Convert to fraction form
    202,337.40/303,506.10 = 185,278.80/x
  3. Step 3: Cross multiply
    202,337.40x = 303,506.10 × 185,278.80
  4. Step 4: Simplify right side
    202,337.40x = 56,233,246,000.68
  5. Step 5: Solve for x
    x = 56,233,246,000.68/202,337.40
  6. Step 6: Final answer
    x = 277,918.20

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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.