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Finding the Fourth Proportional to 344,357.55, 516,589.74 and 175,786.56

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Solution

The fourth proportional to 344,357.55, 516,589.74 and 175,786.56 is: 263,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,357.55 : 516,589.74 = 175,786.56 : x
  2. Step 2: Convert to fraction form
    344,357.55/516,589.74 = 175,786.56/x
  3. Step 3: Cross multiply
    344,357.55x = 516,589.74 × 175,786.56
  4. Step 4: Simplify right side
    344,357.55x = 90,809,533,325.89
  5. Step 5: Solve for x
    x = 90,809,533,325.89/344,357.55
  6. Step 6: Final answer
    x = 263,707.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.