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Finding the Fourth Proportional to 364,219.20, 545,745.60 and 239,414.40

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Solution

The fourth proportional to 364,219.20, 545,745.60 and 239,414.40 is: 358,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,219.20 : 545,745.60 = 239,414.40 : x
  2. Step 2: Convert to fraction form
    364,219.20/545,745.60 = 239,414.40/x
  3. Step 3: Cross multiply
    364,219.20x = 545,745.60 × 239,414.40
  4. Step 4: Simplify right side
    364,219.20x = 130,659,355,376.64
  5. Step 5: Solve for x
    x = 130,659,355,376.64/364,219.20
  6. Step 6: Final answer
    x = 358,738.24

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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.