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Finding the Fourth Proportional to 297,954.80, 446,276.10 and 264,712.40

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Solution

The fourth proportional to 297,954.80, 446,276.10 and 264,712.40 is: 396,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,954.80 : 446,276.10 = 264,712.40 : x
  2. Step 2: Convert to fraction form
    297,954.80/446,276.10 = 264,712.40/x
  3. Step 3: Cross multiply
    297,954.80x = 446,276.10 × 264,712.40
  4. Step 4: Simplify right side
    297,954.80x = 118,134,817,493.64
  5. Step 5: Solve for x
    x = 118,134,817,493.64/297,954.80
  6. Step 6: Final answer
    x = 396,485.70

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1.5x scale

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.