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Finding the Fourth Proportional to 560,201.32, 773,087.46 and 305,561.32

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Solution

The fourth proportional to 560,201.32, 773,087.46 and 305,561.32 is: 421,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,201.32 : 773,087.46 = 305,561.32 : x
  2. Step 2: Convert to fraction form
    560,201.32/773,087.46 = 305,561.32/x
  3. Step 3: Cross multiply
    560,201.32x = 773,087.46 × 305,561.32
  4. Step 4: Simplify right side
    560,201.32x = 236,225,624,753.05
  5. Step 5: Solve for x
    x = 236,225,624,753.05/560,201.32
  6. Step 6: Final answer
    x = 421,679.88

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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.