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Finding the Fourth Proportional to 560,707.85, 773,776.61 and 306,059.04

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Solution

The fourth proportional to 560,707.85, 773,776.61 and 306,059.04 is: 422,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,707.85 : 773,776.61 = 306,059.04 : x
  2. Step 2: Convert to fraction form
    560,707.85/773,776.61 = 306,059.04/x
  3. Step 3: Cross multiply
    560,707.85x = 773,776.61 × 306,059.04
  4. Step 4: Simplify right side
    560,707.85x = 236,821,324,900.76
  5. Step 5: Solve for x
    x = 236,821,324,900.76/560,707.85
  6. Step 6: Final answer
    x = 422,361.35

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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.