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Finding the Fourth Proportional to 545,183.19, 752,352.75 and 303,460.56

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Solution

The fourth proportional to 545,183.19, 752,352.75 and 303,460.56 is: 418,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,183.19 : 752,352.75 = 303,460.56 : x
  2. Step 2: Convert to fraction form
    545,183.19/752,352.75 = 303,460.56/x
  3. Step 3: Cross multiply
    545,183.19x = 752,352.75 × 303,460.56
  4. Step 4: Simplify right side
    545,183.19x = 228,309,386,832.54
  5. Step 5: Solve for x
    x = 228,309,386,832.54/545,183.19
  6. Step 6: Final answer
    x = 418,775.54

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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.