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Finding the Fourth Proportional to 560,301.96, 773,215.09 and 305,651.32

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Solution

The fourth proportional to 560,301.96, 773,215.09 and 305,651.32 is: 421,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,301.96 : 773,215.09 = 305,651.32 : x
  2. Step 2: Convert to fraction form
    560,301.96/773,215.09 = 305,651.32/x
  3. Step 3: Cross multiply
    560,301.96x = 773,215.09 × 305,651.32
  4. Step 4: Simplify right side
    560,301.96x = 236,334,211,374.16
  5. Step 5: Solve for x
    x = 236,334,211,374.16/560,301.96
  6. Step 6: Final answer
    x = 421,797.94

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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.