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Finding the Fourth Proportional to 574,134.84, 861,326.80 and 174,765.22

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Solution

The fourth proportional to 574,134.84, 861,326.80 and 174,765.22 is: 262,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,134.84 : 861,326.80 = 174,765.22 : x
  2. Step 2: Convert to fraction form
    574,134.84/861,326.80 = 174,765.22/x
  3. Step 3: Cross multiply
    574,134.84x = 861,326.80 × 174,765.22
  4. Step 4: Simplify right side
    574,134.84x = 150,529,965,103.67
  5. Step 5: Solve for x
    x = 150,529,965,103.67/574,134.84
  6. Step 6: Final answer
    x = 262,185.74

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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.