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Finding the Fourth Proportional to 297,954.80, 446,276.08 and 264,712.40

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Solution

The fourth proportional to 297,954.80, 446,276.08 and 264,712.40 is: 396,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,954.80 : 446,276.08 = 264,712.40 : x
  2. Step 2: Convert to fraction form
    297,954.80/446,276.08 = 264,712.40/x
  3. Step 3: Cross multiply
    297,954.80x = 446,276.08 × 264,712.40
  4. Step 4: Simplify right side
    297,954.80x = 118,134,812,199.39
  5. Step 5: Solve for x
    x = 118,134,812,199.39/297,954.80
  6. Step 6: Final answer
    x = 396,485.68

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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.