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Finding the Fourth Proportional to 560,563.32, 773,577.17 and 305,914.51

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Solution

The fourth proportional to 560,563.32, 773,577.17 and 305,914.51 is: 422,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,563.32 : 773,577.17 = 305,914.51 : x
  2. Step 2: Convert to fraction form
    560,563.32/773,577.17 = 305,914.51/x
  3. Step 3: Cross multiply
    560,563.32x = 773,577.17 × 305,914.51
  4. Step 4: Simplify right side
    560,563.32x = 236,648,477,140.94
  5. Step 5: Solve for x
    x = 236,648,477,140.94/560,563.32
  6. Step 6: Final answer
    x = 422,161.90

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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.