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Finding the Fourth Proportional to 489,125.01, 675,028.38 and 271,367.93

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Solution

The fourth proportional to 489,125.01, 675,028.38 and 271,367.93 is: 374,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,125.01 : 675,028.38 = 271,367.93 : x
  2. Step 2: Convert to fraction form
    489,125.01/675,028.38 = 271,367.93/x
  3. Step 3: Cross multiply
    489,125.01x = 675,028.38 × 271,367.93
  4. Step 4: Simplify right side
    489,125.01x = 183,181,050,796.71
  5. Step 5: Solve for x
    x = 183,181,050,796.71/489,125.01
  6. Step 6: Final answer
    x = 374,507.64

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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.