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Finding the Fourth Proportional to 334,760.42, 502,139.64 and 275,472.74

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Solution

The fourth proportional to 334,760.42, 502,139.64 and 275,472.74 is: 413,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,760.42 : 502,139.64 = 275,472.74 : x
  2. Step 2: Convert to fraction form
    334,760.42/502,139.64 = 275,472.74/x
  3. Step 3: Cross multiply
    334,760.42x = 502,139.64 × 275,472.74
  4. Step 4: Simplify right side
    334,760.42x = 138,325,782,493.41
  5. Step 5: Solve for x
    x = 138,325,782,493.41/334,760.42
  6. Step 6: Final answer
    x = 413,208.30

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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.