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Finding the Fourth Proportional to 560,249.64, 773,146.94 and 305,606.30

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Solution

The fourth proportional to 560,249.64, 773,146.94 and 305,606.30 is: 421,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,249.64 : 773,146.94 = 305,606.30 : x
  2. Step 2: Convert to fraction form
    560,249.64/773,146.94 = 305,606.30/x
  3. Step 3: Cross multiply
    560,249.64x = 773,146.94 × 305,606.30
  4. Step 4: Simplify right side
    560,249.64x = 236,278,570,295.96
  5. Step 5: Solve for x
    x = 236,278,570,295.96/560,249.64
  6. Step 6: Final answer
    x = 421,738.01

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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.