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Finding the Fourth Proportional to 529,861.14, 731,227.66 and 303,550.38

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Solution

The fourth proportional to 529,861.14, 731,227.66 and 303,550.38 is: 418,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,861.14 : 731,227.66 = 303,550.38 : x
  2. Step 2: Convert to fraction form
    529,861.14/731,227.66 = 303,550.38/x
  3. Step 3: Cross multiply
    529,861.14x = 731,227.66 × 303,550.38
  4. Step 4: Simplify right side
    529,861.14x = 221,964,433,300.64
  5. Step 5: Solve for x
    x = 221,964,433,300.64/529,861.14
  6. Step 6: Final answer
    x = 418,910.57

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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.