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Finding the Fourth Proportional to 336,000.20, 503,309.10 and 230,937.80

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Solution

The fourth proportional to 336,000.20, 503,309.10 and 230,937.80 is: 345,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,000.20 : 503,309.10 = 230,937.80 : x
  2. Step 2: Convert to fraction form
    336,000.20/503,309.10 = 230,937.80/x
  3. Step 3: Cross multiply
    336,000.20x = 503,309.10 × 230,937.80
  4. Step 4: Simplify right side
    336,000.20x = 116,233,096,273.98
  5. Step 5: Solve for x
    x = 116,233,096,273.98/336,000.20
  6. Step 6: Final answer
    x = 345,931.63

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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.