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Finding the Fourth Proportional to 560,850.11, 773,969.16 and 306,201.30

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Solution

The fourth proportional to 560,850.11, 773,969.16 and 306,201.30 is: 422,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,850.11 : 773,969.16 = 306,201.30 : x
  2. Step 2: Convert to fraction form
    560,850.11/773,969.16 = 306,201.30/x
  3. Step 3: Cross multiply
    560,850.11x = 773,969.16 × 306,201.30
  4. Step 4: Simplify right side
    560,850.11x = 236,990,364,032.37
  5. Step 5: Solve for x
    x = 236,990,364,032.37/560,850.11
  6. Step 6: Final answer
    x = 422,555.61

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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.