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Finding the Fourth Proportional to 558,201.56, 770,324.32 and 303,552.76

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Solution

The fourth proportional to 558,201.56, 770,324.32 and 303,552.76 is: 418,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,201.56 : 770,324.32 = 303,552.76 : x
  2. Step 2: Convert to fraction form
    558,201.56/770,324.32 = 303,552.76/x
  3. Step 3: Cross multiply
    558,201.56x = 770,324.32 × 303,552.76
  4. Step 4: Simplify right side
    558,201.56x = 233,834,073,431.12
  5. Step 5: Solve for x
    x = 233,834,073,431.12/558,201.56
  6. Step 6: Final answer
    x = 418,906.16

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Double scale
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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.