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Finding the Fourth Proportional to 493,381.02, 680,865.80 and 267,026.52

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Solution

The fourth proportional to 493,381.02, 680,865.80 and 267,026.52 is: 368,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,381.02 : 680,865.80 = 267,026.52 : x
  2. Step 2: Convert to fraction form
    493,381.02/680,865.80 = 267,026.52/x
  3. Step 3: Cross multiply
    493,381.02x = 680,865.80 × 267,026.52
  4. Step 4: Simplify right side
    493,381.02x = 181,809,223,825.88
  5. Step 5: Solve for x
    x = 181,809,223,825.88/493,381.02
  6. Step 6: Final answer
    x = 368,496.59

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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.