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Finding the Fourth Proportional to 493,065.80, 739,088.40 and 267,950.60

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Solution

The fourth proportional to 493,065.80, 739,088.40 and 267,950.60 is: 401,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,065.80 : 739,088.40 = 267,950.60 : x
  2. Step 2: Convert to fraction form
    493,065.80/739,088.40 = 267,950.60/x
  3. Step 3: Cross multiply
    493,065.80x = 739,088.40 × 267,950.60
  4. Step 4: Simplify right side
    493,065.80x = 198,039,180,233.04
  5. Step 5: Solve for x
    x = 198,039,180,233.04/493,065.80
  6. Step 6: Final answer
    x = 401,648.58

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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.