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Finding the Fourth Proportional to 336,000.70, 504,231.45 and 149,146.30

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Solution

The fourth proportional to 336,000.70, 504,231.45 and 149,146.30 is: 223,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,000.70 : 504,231.45 = 149,146.30 : x
  2. Step 2: Convert to fraction form
    336,000.70/504,231.45 = 149,146.30/x
  3. Step 3: Cross multiply
    336,000.70x = 504,231.45 × 149,146.30
  4. Step 4: Simplify right side
    336,000.70x = 75,204,255,111.14
  5. Step 5: Solve for x
    x = 75,204,255,111.14/336,000.70
  6. Step 6: Final answer
    x = 223,821.72

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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.