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Finding the Fourth Proportional to 300,789.90, 451,184.85 and 241,740.90

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Solution

The fourth proportional to 300,789.90, 451,184.85 and 241,740.90 is: 362,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,789.90 : 451,184.85 = 241,740.90 : x
  2. Step 2: Convert to fraction form
    300,789.90/451,184.85 = 241,740.90/x
  3. Step 3: Cross multiply
    300,789.90x = 451,184.85 × 241,740.90
  4. Step 4: Simplify right side
    300,789.90x = 109,069,831,705.37
  5. Step 5: Solve for x
    x = 109,069,831,705.37/300,789.90
  6. Step 6: Final answer
    x = 362,611.35

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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.