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Finding the Fourth Proportional to 344,372.66, 516,563.30 and 91,651.58

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Solution

The fourth proportional to 344,372.66, 516,563.30 and 91,651.58 is: 137,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,372.66 : 516,563.30 = 91,651.58 : x
  2. Step 2: Convert to fraction form
    344,372.66/516,563.30 = 91,651.58/x
  3. Step 3: Cross multiply
    344,372.66x = 516,563.30 × 91,651.58
  4. Step 4: Simplify right side
    344,372.66x = 47,343,842,615.01
  5. Step 5: Solve for x
    x = 47,343,842,615.01/344,372.66
  6. Step 6: Final answer
    x = 137,478.52

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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.