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Finding the Fourth Proportional to 268,874.60, 403,311.90 and 264,727.40

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Solution

The fourth proportional to 268,874.60, 403,311.90 and 264,727.40 is: 397,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,874.60 : 403,311.90 = 264,727.40 : x
  2. Step 2: Convert to fraction form
    268,874.60/403,311.90 = 264,727.40/x
  3. Step 3: Cross multiply
    268,874.60x = 403,311.90 × 264,727.40
  4. Step 4: Simplify right side
    268,874.60x = 106,767,710,676.06
  5. Step 5: Solve for x
    x = 106,767,710,676.06/268,874.60
  6. Step 6: Final answer
    x = 397,091.10

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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.